Home / 769,210.28-1,061,510.14-429,678.52

Finding the Fourth Proportional to 769,210.28, 1,061,510.14 and 429,678.52

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Solution

The fourth proportional to 769,210.28, 1,061,510.14 and 429,678.52 is: 592,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,210.28 : 1,061,510.14 = 429,678.52 : x
  2. Step 2: Convert to fraction form
    769,210.28/1,061,510.14 = 429,678.52/x
  3. Step 3: Cross multiply
    769,210.28x = 1,061,510.14 × 429,678.52
  4. Step 4: Simplify right side
    769,210.28x = 456,108,105,920.19
  5. Step 5: Solve for x
    x = 456,108,105,920.19/769,210.28
  6. Step 6: Final answer
    x = 592,956.33

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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.