Home / 917,885.40-1,376,293.50-356,263.80

Finding the Fourth Proportional to 917,885.40, 1,376,293.50 and 356,263.80

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Solution

The fourth proportional to 917,885.40, 1,376,293.50 and 356,263.80 is: 534,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,885.40 : 1,376,293.50 = 356,263.80 : x
  2. Step 2: Convert to fraction form
    917,885.40/1,376,293.50 = 356,263.80/x
  3. Step 3: Cross multiply
    917,885.40x = 1,376,293.50 × 356,263.80
  4. Step 4: Simplify right side
    917,885.40x = 490,323,552,225.30
  5. Step 5: Solve for x
    x = 490,323,552,225.30/917,885.40
  6. Step 6: Final answer
    x = 534,188.20

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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.