Home / 878,298.59-1,316,550.45-498,417.09

Finding the Fourth Proportional to 878,298.59, 1,316,550.45 and 498,417.09

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Solution

The fourth proportional to 878,298.59, 1,316,550.45 and 498,417.09 is: 747,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,298.59 : 1,316,550.45 = 498,417.09 : x
  2. Step 2: Convert to fraction form
    878,298.59/1,316,550.45 = 498,417.09/x
  3. Step 3: Cross multiply
    878,298.59x = 1,316,550.45 × 498,417.09
  4. Step 4: Simplify right side
    878,298.59x = 656,191,244,127.19
  5. Step 5: Solve for x
    x = 656,191,244,127.19/878,298.59
  6. Step 6: Final answer
    x = 747,116.36

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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.