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Finding the Fourth Proportional to 656,999.80, 984,117.30 and 546,407.80

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Solution

The fourth proportional to 656,999.80, 984,117.30 and 546,407.80 is: 818,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,999.80 : 984,117.30 = 546,407.80 : x
  2. Step 2: Convert to fraction form
    656,999.80/984,117.30 = 546,407.80/x
  3. Step 3: Cross multiply
    656,999.80x = 984,117.30 × 546,407.80
  4. Step 4: Simplify right side
    656,999.80x = 537,729,368,834.94
  5. Step 5: Solve for x
    x = 537,729,368,834.94/656,999.80
  6. Step 6: Final answer
    x = 818,462.00

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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.