Home / 782,526.60-1,172,429.10-360,937.80

Finding the Fourth Proportional to 782,526.60, 1,172,429.10 and 360,937.80

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Solution

The fourth proportional to 782,526.60, 1,172,429.10 and 360,937.80 is: 540,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,526.60 : 1,172,429.10 = 360,937.80 : x
  2. Step 2: Convert to fraction form
    782,526.60/1,172,429.10 = 360,937.80/x
  3. Step 3: Cross multiply
    782,526.60x = 1,172,429.10 × 360,937.80
  4. Step 4: Simplify right side
    782,526.60x = 423,173,980,009.98
  5. Step 5: Solve for x
    x = 423,173,980,009.98/782,526.60
  6. Step 6: Final answer
    x = 540,779.04

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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.