Home / 778,753.71-1,074,263.72-537,155.82

Finding the Fourth Proportional to 778,753.71, 1,074,263.72 and 537,155.82

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Solution

The fourth proportional to 778,753.71, 1,074,263.72 and 537,155.82 is: 740,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,753.71 : 1,074,263.72 = 537,155.82 : x
  2. Step 2: Convert to fraction form
    778,753.71/1,074,263.72 = 537,155.82/x
  3. Step 3: Cross multiply
    778,753.71x = 1,074,263.72 × 537,155.82
  4. Step 4: Simplify right side
    778,753.71x = 577,047,006,727.07
  5. Step 5: Solve for x
    x = 577,047,006,727.07/778,753.71
  6. Step 6: Final answer
    x = 740,987.81

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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.