Home / 788,555.60-1,181,278.20-472,072.40

Finding the Fourth Proportional to 788,555.60, 1,181,278.20 and 472,072.40

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Solution

The fourth proportional to 788,555.60, 1,181,278.20 and 472,072.40 is: 707,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,555.60 : 1,181,278.20 = 472,072.40 : x
  2. Step 2: Convert to fraction form
    788,555.60/1,181,278.20 = 472,072.40/x
  3. Step 3: Cross multiply
    788,555.60x = 1,181,278.20 × 472,072.40
  4. Step 4: Simplify right side
    788,555.60x = 557,648,834,941.68
  5. Step 5: Solve for x
    x = 557,648,834,941.68/788,555.60
  6. Step 6: Final answer
    x = 707,177.57

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1.5x scale

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.