Home / 778,305.80-1,073,898.24-472,542.86

Finding the Fourth Proportional to 778,305.80, 1,073,898.24 and 472,542.86

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Solution

The fourth proportional to 778,305.80, 1,073,898.24 and 472,542.86 is: 652,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,305.80 : 1,073,898.24 = 472,542.86 : x
  2. Step 2: Convert to fraction form
    778,305.80/1,073,898.24 = 472,542.86/x
  3. Step 3: Cross multiply
    778,305.80x = 1,073,898.24 × 472,542.86
  4. Step 4: Simplify right side
    778,305.80x = 507,462,945,678.57
  5. Step 5: Solve for x
    x = 507,462,945,678.57/778,305.80
  6. Step 6: Final answer
    x = 652,009.72

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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.