Home / 738,045.12-1,018,478.16-466,257.72

Finding the Fourth Proportional to 738,045.12, 1,018,478.16 and 466,257.72

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Solution

The fourth proportional to 738,045.12, 1,018,478.16 and 466,257.72 is: 643,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,045.12 : 1,018,478.16 = 466,257.72 : x
  2. Step 2: Convert to fraction form
    738,045.12/1,018,478.16 = 466,257.72/x
  3. Step 3: Cross multiply
    738,045.12x = 1,018,478.16 × 466,257.72
  4. Step 4: Simplify right side
    738,045.12x = 474,873,304,751.40
  5. Step 5: Solve for x
    x = 474,873,304,751.40/738,045.12
  6. Step 6: Final answer
    x = 643,420.42

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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.