Home / 803,119.53-1,108,119.11-480,707.13

Finding the Fourth Proportional to 803,119.53, 1,108,119.11 and 480,707.13

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Solution

The fourth proportional to 803,119.53, 1,108,119.11 and 480,707.13 is: 663,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,119.53 : 1,108,119.11 = 480,707.13 : x
  2. Step 2: Convert to fraction form
    803,119.53/1,108,119.11 = 480,707.13/x
  3. Step 3: Cross multiply
    803,119.53x = 1,108,119.11 × 480,707.13
  4. Step 4: Simplify right side
    803,119.53x = 532,680,754,662.72
  5. Step 5: Solve for x
    x = 532,680,754,662.72/803,119.53
  6. Step 6: Final answer
    x = 663,264.60

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Double scale
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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.