Home / 676,417.28-1,013,744.08-376,885.76

Finding the Fourth Proportional to 676,417.28, 1,013,744.08 and 376,885.76

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Solution

The fourth proportional to 676,417.28, 1,013,744.08 and 376,885.76 is: 564,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,417.28 : 1,013,744.08 = 376,885.76 : x
  2. Step 2: Convert to fraction form
    676,417.28/1,013,744.08 = 376,885.76/x
  3. Step 3: Cross multiply
    676,417.28x = 1,013,744.08 × 376,885.76
  4. Step 4: Simplify right side
    676,417.28x = 382,065,708,036.30
  5. Step 5: Solve for x
    x = 382,065,708,036.30/676,417.28
  6. Step 6: Final answer
    x = 564,837.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.