Home / 878,965.50-1,317,666.33-317,875.26

Finding the Fourth Proportional to 878,965.50, 1,317,666.33 and 317,875.26

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Solution

The fourth proportional to 878,965.50, 1,317,666.33 and 317,875.26 is: 476,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,965.50 : 1,317,666.33 = 317,875.26 : x
  2. Step 2: Convert to fraction form
    878,965.50/1,317,666.33 = 317,875.26/x
  3. Step 3: Cross multiply
    878,965.50x = 1,317,666.33 × 317,875.26
  4. Step 4: Simplify right side
    878,965.50x = 418,853,527,242.00
  5. Step 5: Solve for x
    x = 418,853,527,242.00/878,965.50
  6. Step 6: Final answer
    x = 476,530.11

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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.