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Finding the Fourth Proportional to 495,267.40, 742,901.10 and 490,601.80

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Solution

The fourth proportional to 495,267.40, 742,901.10 and 490,601.80 is: 735,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,267.40 : 742,901.10 = 490,601.80 : x
  2. Step 2: Convert to fraction form
    495,267.40/742,901.10 = 490,601.80/x
  3. Step 3: Cross multiply
    495,267.40x = 742,901.10 × 490,601.80
  4. Step 4: Simplify right side
    495,267.40x = 364,468,616,881.98
  5. Step 5: Solve for x
    x = 364,468,616,881.98/495,267.40
  6. Step 6: Final answer
    x = 735,902.70

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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.