Home / 749,801.60-1,123,289.85-370,278.08

Finding the Fourth Proportional to 749,801.60, 1,123,289.85 and 370,278.08

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Solution

The fourth proportional to 749,801.60, 1,123,289.85 and 370,278.08 is: 554,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,801.60 : 1,123,289.85 = 370,278.08 : x
  2. Step 2: Convert to fraction form
    749,801.60/1,123,289.85 = 370,278.08/x
  3. Step 3: Cross multiply
    749,801.60x = 1,123,289.85 × 370,278.08
  4. Step 4: Simplify right side
    749,801.60x = 415,929,608,941.49
  5. Step 5: Solve for x
    x = 415,929,608,941.49/749,801.60
  6. Step 6: Final answer
    x = 554,719.55

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Double scale
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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.