Home / 754,403.20-1,041,055.62-414,871.42

Finding the Fourth Proportional to 754,403.20, 1,041,055.62 and 414,871.42

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Solution

The fourth proportional to 754,403.20, 1,041,055.62 and 414,871.42 is: 572,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,403.20 : 1,041,055.62 = 414,871.42 : x
  2. Step 2: Convert to fraction form
    754,403.20/1,041,055.62 = 414,871.42/x
  3. Step 3: Cross multiply
    754,403.20x = 1,041,055.62 × 414,871.42
  4. Step 4: Simplify right side
    754,403.20x = 431,904,223,368.38
  5. Step 5: Solve for x
    x = 431,904,223,368.38/754,403.20
  6. Step 6: Final answer
    x = 572,511.12

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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.