Home / 878,174.34-1,316,364.21-498,292.57

Finding the Fourth Proportional to 878,174.34, 1,316,364.21 and 498,292.57

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Solution

The fourth proportional to 878,174.34, 1,316,364.21 and 498,292.57 is: 746,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,174.34 : 1,316,364.21 = 498,292.57 : x
  2. Step 2: Convert to fraction form
    878,174.34/1,316,364.21 = 498,292.57/x
  3. Step 3: Cross multiply
    878,174.34x = 1,316,364.21 × 498,292.57
  4. Step 4: Simplify right side
    878,174.34x = 655,934,506,902.38
  5. Step 5: Solve for x
    x = 655,934,506,902.38/878,174.34
  6. Step 6: Final answer
    x = 746,929.72

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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.