Home / 885,254.40-1,327,592.64-286,074.72

Finding the Fourth Proportional to 885,254.40, 1,327,592.64 and 286,074.72

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Solution

The fourth proportional to 885,254.40, 1,327,592.64 and 286,074.72 is: 429,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,254.40 : 1,327,592.64 = 286,074.72 : x
  2. Step 2: Convert to fraction form
    885,254.40/1,327,592.64 = 286,074.72/x
  3. Step 3: Cross multiply
    885,254.40x = 1,327,592.64 × 286,074.72
  4. Step 4: Simplify right side
    885,254.40x = 379,790,692,762.06
  5. Step 5: Solve for x
    x = 379,790,692,762.06/885,254.40
  6. Step 6: Final answer
    x = 429,018.70

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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.