Home / 778,892.24-1,074,023.93-506,454.91

Finding the Fourth Proportional to 778,892.24, 1,074,023.93 and 506,454.91

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Solution

The fourth proportional to 778,892.24, 1,074,023.93 and 506,454.91 is: 698,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,892.24 : 1,074,023.93 = 506,454.91 : x
  2. Step 2: Convert to fraction form
    778,892.24/1,074,023.93 = 506,454.91/x
  3. Step 3: Cross multiply
    778,892.24x = 1,074,023.93 × 506,454.91
  4. Step 4: Simplify right side
    778,892.24x = 543,944,690,273.72
  5. Step 5: Solve for x
    x = 543,944,690,273.72/778,892.24
  6. Step 6: Final answer
    x = 698,356.80

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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.