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Finding the Fourth Proportional to 490,851.70, 736,277.55 and 402,205.30

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Solution

The fourth proportional to 490,851.70, 736,277.55 and 402,205.30 is: 603,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,851.70 : 736,277.55 = 402,205.30 : x
  2. Step 2: Convert to fraction form
    490,851.70/736,277.55 = 402,205.30/x
  3. Step 3: Cross multiply
    490,851.70x = 736,277.55 × 402,205.30
  4. Step 4: Simplify right side
    490,851.70x = 296,134,732,881.02
  5. Step 5: Solve for x
    x = 296,134,732,881.02/490,851.70
  6. Step 6: Final answer
    x = 603,307.95

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Similar ratio
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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.