Home / 671,521.40-1,007,460.30-292,279.40

Finding the Fourth Proportional to 671,521.40, 1,007,460.30 and 292,279.40

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Solution

The fourth proportional to 671,521.40, 1,007,460.30 and 292,279.40 is: 438,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,521.40 : 1,007,460.30 = 292,279.40 : x
  2. Step 2: Convert to fraction form
    671,521.40/1,007,460.30 = 292,279.40/x
  3. Step 3: Cross multiply
    671,521.40x = 1,007,460.30 × 292,279.40
  4. Step 4: Simplify right side
    671,521.40x = 294,459,892,007.82
  5. Step 5: Solve for x
    x = 294,459,892,007.82/671,521.40
  6. Step 6: Final answer
    x = 438,496.66

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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.