Home / 907,737.12-1,252,666.56-499,830.40

Finding the Fourth Proportional to 907,737.12, 1,252,666.56 and 499,830.40

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Solution

The fourth proportional to 907,737.12, 1,252,666.56 and 499,830.40 is: 689,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,737.12 : 1,252,666.56 = 499,830.40 : x
  2. Step 2: Convert to fraction form
    907,737.12/1,252,666.56 = 499,830.40/x
  3. Step 3: Cross multiply
    907,737.12x = 1,252,666.56 × 499,830.40
  4. Step 4: Simplify right side
    907,737.12x = 626,120,827,751.42
  5. Step 5: Solve for x
    x = 626,120,827,751.42/907,737.12
  6. Step 6: Final answer
    x = 689,760.08

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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.