Home / 572,178.12-858,832.16-429,527.40

Finding the Fourth Proportional to 572,178.12, 858,832.16 and 429,527.40

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Solution

The fourth proportional to 572,178.12, 858,832.16 and 429,527.40 is: 644,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,178.12 : 858,832.16 = 429,527.40 : x
  2. Step 2: Convert to fraction form
    572,178.12/858,832.16 = 429,527.40/x
  3. Step 3: Cross multiply
    572,178.12x = 858,832.16 × 429,527.40
  4. Step 4: Simplify right side
    572,178.12x = 368,891,944,721.18
  5. Step 5: Solve for x
    x = 368,891,944,721.18/572,178.12
  6. Step 6: Final answer
    x = 644,715.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.