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Finding the Fourth Proportional to 637,901.40, 956,852.10 and 536,424.60

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Solution

The fourth proportional to 637,901.40, 956,852.10 and 536,424.60 is: 804,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,901.40 : 956,852.10 = 536,424.60 : x
  2. Step 2: Convert to fraction form
    637,901.40/956,852.10 = 536,424.60/x
  3. Step 3: Cross multiply
    637,901.40x = 956,852.10 × 536,424.60
  4. Step 4: Simplify right side
    637,901.40x = 513,279,005,001.66
  5. Step 5: Solve for x
    x = 513,279,005,001.66/637,901.40
  6. Step 6: Final answer
    x = 804,636.90

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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.