Home / 738,071.83-1,018,542.72-415,787.01

Finding the Fourth Proportional to 738,071.83, 1,018,542.72 and 415,787.01

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Solution

The fourth proportional to 738,071.83, 1,018,542.72 and 415,787.01 is: 573,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,071.83 : 1,018,542.72 = 415,787.01 : x
  2. Step 2: Convert to fraction form
    738,071.83/1,018,542.72 = 415,787.01/x
  3. Step 3: Cross multiply
    738,071.83x = 1,018,542.72 × 415,787.01
  4. Step 4: Simplify right side
    738,071.83x = 423,496,832,106.07
  5. Step 5: Solve for x
    x = 423,496,832,106.07/738,071.83
  6. Step 6: Final answer
    x = 573,788.10

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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.