Home / 743,143.60-1,113,264.20-353,094.92

Finding the Fourth Proportional to 743,143.60, 1,113,264.20 and 353,094.92

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Solution

The fourth proportional to 743,143.60, 1,113,264.20 and 353,094.92 is: 528,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,143.60 : 1,113,264.20 = 353,094.92 : x
  2. Step 2: Convert to fraction form
    743,143.60/1,113,264.20 = 353,094.92/x
  3. Step 3: Cross multiply
    743,143.60x = 1,113,264.20 × 353,094.92
  4. Step 4: Simplify right side
    743,143.60x = 393,087,933,596.29
  5. Step 5: Solve for x
    x = 393,087,933,596.29/743,143.60
  6. Step 6: Final answer
    x = 528,952.86

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1.5x scale

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.