Home / 907,323.81-1,252,059.12-499,347.66

Finding the Fourth Proportional to 907,323.81, 1,252,059.12 and 499,347.66

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Solution

The fourth proportional to 907,323.81, 1,252,059.12 and 499,347.66 is: 689,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,323.81 : 1,252,059.12 = 499,347.66 : x
  2. Step 2: Convert to fraction form
    907,323.81/1,252,059.12 = 499,347.66/x
  3. Step 3: Cross multiply
    907,323.81x = 1,252,059.12 × 499,347.66
  4. Step 4: Simplify right side
    907,323.81x = 625,212,791,753.66
  5. Step 5: Solve for x
    x = 625,212,791,753.66/907,323.81
  6. Step 6: Final answer
    x = 689,073.50

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Double scale
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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.