Home / 739,488.60-1,020,470.76-417,194.40

Finding the Fourth Proportional to 739,488.60, 1,020,470.76 and 417,194.40

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Solution

The fourth proportional to 739,488.60, 1,020,470.76 and 417,194.40 is: 575,715.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,488.60 : 1,020,470.76 = 417,194.40 : x
  2. Step 2: Convert to fraction form
    739,488.60/1,020,470.76 = 417,194.40/x
  3. Step 3: Cross multiply
    739,488.60x = 1,020,470.76 × 417,194.40
  4. Step 4: Simplify right side
    739,488.60x = 425,734,686,435.74
  5. Step 5: Solve for x
    x = 425,734,686,435.74/739,488.60
  6. Step 6: Final answer
    x = 575,715.01

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.