Home / 790,588.30-1,187,063.46-778,778.50

Finding the Fourth Proportional to 790,588.30, 1,187,063.46 and 778,778.50

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Solution

The fourth proportional to 790,588.30, 1,187,063.46 and 778,778.50 is: 1,169,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,588.30 : 1,187,063.46 = 778,778.50 : x
  2. Step 2: Convert to fraction form
    790,588.30/1,187,063.46 = 778,778.50/x
  3. Step 3: Cross multiply
    790,588.30x = 1,187,063.46 × 778,778.50
  4. Step 4: Simplify right side
    790,588.30x = 924,459,500,783.61
  5. Step 5: Solve for x
    x = 924,459,500,783.61/790,588.30
  6. Step 6: Final answer
    x = 1,169,331.12

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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.