Home / 803,070.96-1,108,330.54-480,780.87

Finding the Fourth Proportional to 803,070.96, 1,108,330.54 and 480,780.87

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Solution

The fourth proportional to 803,070.96, 1,108,330.54 and 480,780.87 is: 663,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,070.96 : 1,108,330.54 = 480,780.87 : x
  2. Step 2: Convert to fraction form
    803,070.96/1,108,330.54 = 480,780.87/x
  3. Step 3: Cross multiply
    803,070.96x = 1,108,330.54 × 480,780.87
  4. Step 4: Simplify right side
    803,070.96x = 532,864,118,614.97
  5. Step 5: Solve for x
    x = 532,864,118,614.97/803,070.96
  6. Step 6: Final answer
    x = 663,533.05

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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.