Home / 617,981.40-926,972.10-493,565.40

Finding the Fourth Proportional to 617,981.40, 926,972.10 and 493,565.40

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Solution

The fourth proportional to 617,981.40, 926,972.10 and 493,565.40 is: 740,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,981.40 : 926,972.10 = 493,565.40 : x
  2. Step 2: Convert to fraction form
    617,981.40/926,972.10 = 493,565.40/x
  3. Step 3: Cross multiply
    617,981.40x = 926,972.10 × 493,565.40
  4. Step 4: Simplify right side
    617,981.40x = 457,521,355,325.34
  5. Step 5: Solve for x
    x = 457,521,355,325.34/617,981.40
  6. Step 6: Final answer
    x = 740,348.10

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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.