Home / 779,801.54-1,170,074.16-424,807.70

Finding the Fourth Proportional to 779,801.54, 1,170,074.16 and 424,807.70

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Solution

The fourth proportional to 779,801.54, 1,170,074.16 and 424,807.70 is: 637,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,801.54 : 1,170,074.16 = 424,807.70 : x
  2. Step 2: Convert to fraction form
    779,801.54/1,170,074.16 = 424,807.70/x
  3. Step 3: Cross multiply
    779,801.54x = 1,170,074.16 × 424,807.70
  4. Step 4: Simplify right side
    779,801.54x = 497,056,506,888.66
  5. Step 5: Solve for x
    x = 497,056,506,888.66/779,801.54
  6. Step 6: Final answer
    x = 637,414.12

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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.