Home / 772,719.76-1,157,484.12-573,265.36

Finding the Fourth Proportional to 772,719.76, 1,157,484.12 and 573,265.36

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Solution

The fourth proportional to 772,719.76, 1,157,484.12 and 573,265.36 is: 858,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,719.76 : 1,157,484.12 = 573,265.36 : x
  2. Step 2: Convert to fraction form
    772,719.76/1,157,484.12 = 573,265.36/x
  3. Step 3: Cross multiply
    772,719.76x = 1,157,484.12 × 573,265.36
  4. Step 4: Simplify right side
    772,719.76x = 663,545,550,746.08
  5. Step 5: Solve for x
    x = 663,545,550,746.08/772,719.76
  6. Step 6: Final answer
    x = 858,714.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.