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Finding the Fourth Proportional to 532,000.48, 734,160.36 and 341,013.76

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Solution

The fourth proportional to 532,000.48, 734,160.36 and 341,013.76 is: 470,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,000.48 : 734,160.36 = 341,013.76 : x
  2. Step 2: Convert to fraction form
    532,000.48/734,160.36 = 341,013.76/x
  3. Step 3: Cross multiply
    532,000.48x = 734,160.36 × 341,013.76
  4. Step 4: Simplify right side
    532,000.48x = 250,358,784,806.55
  5. Step 5: Solve for x
    x = 250,358,784,806.55/532,000.48
  6. Step 6: Final answer
    x = 470,598.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.