Home / 828,678.12-1,143,677.25-466,117.26

Finding the Fourth Proportional to 828,678.12, 1,143,677.25 and 466,117.26

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Solution

The fourth proportional to 828,678.12, 1,143,677.25 and 466,117.26 is: 643,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,678.12 : 1,143,677.25 = 466,117.26 : x
  2. Step 2: Convert to fraction form
    828,678.12/1,143,677.25 = 466,117.26/x
  3. Step 3: Cross multiply
    828,678.12x = 1,143,677.25 × 466,117.26
  4. Step 4: Simplify right side
    828,678.12x = 533,087,706,094.34
  5. Step 5: Solve for x
    x = 533,087,706,094.34/828,678.12
  6. Step 6: Final answer
    x = 643,298.88

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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.