Home / 761,330.16-1,050,159.33-489,751.74

Finding the Fourth Proportional to 761,330.16, 1,050,159.33 and 489,751.74

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Solution

The fourth proportional to 761,330.16, 1,050,159.33 and 489,751.74 is: 675,551.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,330.16 : 1,050,159.33 = 489,751.74 : x
  2. Step 2: Convert to fraction form
    761,330.16/1,050,159.33 = 489,751.74/x
  3. Step 3: Cross multiply
    761,330.16x = 1,050,159.33 × 489,751.74
  4. Step 4: Simplify right side
    761,330.16x = 514,317,359,144.73
  5. Step 5: Solve for x
    x = 514,317,359,144.73/761,330.16
  6. Step 6: Final answer
    x = 675,551.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.