Home / 671,341.10-926,784.60-442,046.30

Finding the Fourth Proportional to 671,341.10, 926,784.60 and 442,046.30

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Solution

The fourth proportional to 671,341.10, 926,784.60 and 442,046.30 is: 610,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,341.10 : 926,784.60 = 442,046.30 : x
  2. Step 2: Convert to fraction form
    671,341.10/926,784.60 = 442,046.30/x
  3. Step 3: Cross multiply
    671,341.10x = 926,784.60 × 442,046.30
  4. Step 4: Simplify right side
    671,341.10x = 409,681,703,326.98
  5. Step 5: Solve for x
    x = 409,681,703,326.98/671,341.10
  6. Step 6: Final answer
    x = 610,243.74

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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.