Home / 788,461.10-1,182,691.65-490,834.70

Finding the Fourth Proportional to 788,461.10, 1,182,691.65 and 490,834.70

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Solution

The fourth proportional to 788,461.10, 1,182,691.65 and 490,834.70 is: 736,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,461.10 : 1,182,691.65 = 490,834.70 : x
  2. Step 2: Convert to fraction form
    788,461.10/1,182,691.65 = 490,834.70/x
  3. Step 3: Cross multiply
    788,461.10x = 1,182,691.65 × 490,834.70
  4. Step 4: Simplify right side
    788,461.10x = 580,506,101,220.26
  5. Step 5: Solve for x
    x = 580,506,101,220.26/788,461.10
  6. Step 6: Final answer
    x = 736,252.05

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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.