Home / 907,255.80-1,251,931.68-525,308.40

Finding the Fourth Proportional to 907,255.80, 1,251,931.68 and 525,308.40

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Solution

The fourth proportional to 907,255.80, 1,251,931.68 and 525,308.40 is: 724,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,255.80 : 1,251,931.68 = 525,308.40 : x
  2. Step 2: Convert to fraction form
    907,255.80/1,251,931.68 = 525,308.40/x
  3. Step 3: Cross multiply
    907,255.80x = 1,251,931.68 × 525,308.40
  4. Step 4: Simplify right side
    907,255.80x = 657,650,227,730.11
  5. Step 5: Solve for x
    x = 657,650,227,730.11/907,255.80
  6. Step 6: Final answer
    x = 724,878.50

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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.