Home / 1,050,210.10-1,575,315.15-489,301.30

Finding the Fourth Proportional to 1,050,210.10, 1,575,315.15 and 489,301.30

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Solution

The fourth proportional to 1,050,210.10, 1,575,315.15 and 489,301.30 is: 733,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,210.10 : 1,575,315.15 = 489,301.30 : x
  2. Step 2: Convert to fraction form
    1,050,210.10/1,575,315.15 = 489,301.30/x
  3. Step 3: Cross multiply
    1,050,210.10x = 1,575,315.15 × 489,301.30
  4. Step 4: Simplify right side
    1,050,210.10x = 770,803,750,804.70
  5. Step 5: Solve for x
    x = 770,803,750,804.70/1,050,210.10
  6. Step 6: Final answer
    x = 733,951.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.