Home / 828,272.97-1,143,219.67-506,253.02

Finding the Fourth Proportional to 828,272.97, 1,143,219.67 and 506,253.02

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Solution

The fourth proportional to 828,272.97, 1,143,219.67 and 506,253.02 is: 698,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,272.97 : 1,143,219.67 = 506,253.02 : x
  2. Step 2: Convert to fraction form
    828,272.97/1,143,219.67 = 506,253.02/x
  3. Step 3: Cross multiply
    828,272.97x = 1,143,219.67 × 506,253.02
  4. Step 4: Simplify right side
    828,272.97x = 578,758,403,479.17
  5. Step 5: Solve for x
    x = 578,758,403,479.17/828,272.97
  6. Step 6: Final answer
    x = 698,753.22

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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.