Home / 878,592.92-1,316,384.89-479,513.72

Finding the Fourth Proportional to 878,592.92, 1,316,384.89 and 479,513.72

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Solution

The fourth proportional to 878,592.92, 1,316,384.89 and 479,513.72 is: 718,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,592.92 : 1,316,384.89 = 479,513.72 : x
  2. Step 2: Convert to fraction form
    878,592.92/1,316,384.89 = 479,513.72/x
  3. Step 3: Cross multiply
    878,592.92x = 1,316,384.89 × 479,513.72
  4. Step 4: Simplify right side
    878,592.92x = 631,224,617,647.87
  5. Step 5: Solve for x
    x = 631,224,617,647.87/878,592.92
  6. Step 6: Final answer
    x = 718,449.47

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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.