Home / 890,389.38-1,228,272.52-546,302.06

Finding the Fourth Proportional to 890,389.38, 1,228,272.52 and 546,302.06

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Solution

The fourth proportional to 890,389.38, 1,228,272.52 and 546,302.06 is: 753,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,389.38 : 1,228,272.52 = 546,302.06 : x
  2. Step 2: Convert to fraction form
    890,389.38/1,228,272.52 = 546,302.06/x
  3. Step 3: Cross multiply
    890,389.38x = 1,228,272.52 × 546,302.06
  4. Step 4: Simplify right side
    890,389.38x = 671,007,807,917.39
  5. Step 5: Solve for x
    x = 671,007,807,917.39/890,389.38
  6. Step 6: Final answer
    x = 753,611.65

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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.