Home / 772,543.68-1,065,719.52-570,989.76

Finding the Fourth Proportional to 772,543.68, 1,065,719.52 and 570,989.76

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Solution

The fourth proportional to 772,543.68, 1,065,719.52 and 570,989.76 is: 787,677.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,543.68 : 1,065,719.52 = 570,989.76 : x
  2. Step 2: Convert to fraction form
    772,543.68/1,065,719.52 = 570,989.76/x
  3. Step 3: Cross multiply
    772,543.68x = 1,065,719.52 × 570,989.76
  4. Step 4: Simplify right side
    772,543.68x = 608,514,932,952.12
  5. Step 5: Solve for x
    x = 608,514,932,952.12/772,543.68
  6. Step 6: Final answer
    x = 787,677.06

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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.