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Finding the Fourth Proportional to 637,289.40, 955,934.10 and 537,756.60

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Solution

The fourth proportional to 637,289.40, 955,934.10 and 537,756.60 is: 806,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,289.40 : 955,934.10 = 537,756.60 : x
  2. Step 2: Convert to fraction form
    637,289.40/955,934.10 = 537,756.60/x
  3. Step 3: Cross multiply
    637,289.40x = 955,934.10 × 537,756.60
  4. Step 4: Simplify right side
    637,289.40x = 514,059,871,440.06
  5. Step 5: Solve for x
    x = 514,059,871,440.06/637,289.40
  6. Step 6: Final answer
    x = 806,634.90

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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.