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Finding the Fourth Proportional to 803,102.60, 1,108,316.34 and 480,750.32

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Solution

The fourth proportional to 803,102.60, 1,108,316.34 and 480,750.32 is: 663,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,102.60 : 1,108,316.34 = 480,750.32 : x
  2. Step 2: Convert to fraction form
    803,102.60/1,108,316.34 = 480,750.32/x
  3. Step 3: Cross multiply
    803,102.60x = 1,108,316.34 × 480,750.32
  4. Step 4: Simplify right side
    803,102.60x = 532,823,435,116.23
  5. Step 5: Solve for x
    x = 532,823,435,116.23/803,102.60
  6. Step 6: Final answer
    x = 663,456.24

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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.