Home / 772,930.60-1,159,395.90-437,007.40

Finding the Fourth Proportional to 772,930.60, 1,159,395.90 and 437,007.40

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Solution

The fourth proportional to 772,930.60, 1,159,395.90 and 437,007.40 is: 655,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,930.60 : 1,159,395.90 = 437,007.40 : x
  2. Step 2: Convert to fraction form
    772,930.60/1,159,395.90 = 437,007.40/x
  3. Step 3: Cross multiply
    772,930.60x = 1,159,395.90 × 437,007.40
  4. Step 4: Simplify right side
    772,930.60x = 506,664,587,829.66
  5. Step 5: Solve for x
    x = 506,664,587,829.66/772,930.60
  6. Step 6: Final answer
    x = 655,511.10

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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.