Home / 830,981.12-1,146,720.66-468,480.20

Finding the Fourth Proportional to 830,981.12, 1,146,720.66 and 468,480.20

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Solution

The fourth proportional to 830,981.12, 1,146,720.66 and 468,480.20 is: 646,483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,981.12 : 1,146,720.66 = 468,480.20 : x
  2. Step 2: Convert to fraction form
    830,981.12/1,146,720.66 = 468,480.20/x
  3. Step 3: Cross multiply
    830,981.12x = 1,146,720.66 × 468,480.20
  4. Step 4: Simplify right side
    830,981.12x = 537,215,924,140.93
  5. Step 5: Solve for x
    x = 537,215,924,140.93/830,981.12
  6. Step 6: Final answer
    x = 646,483.91

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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.