Home / 926,328.30-1,389,492.45-452,769.90

Finding the Fourth Proportional to 926,328.30, 1,389,492.45 and 452,769.90

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Solution

The fourth proportional to 926,328.30, 1,389,492.45 and 452,769.90 is: 679,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,328.30 : 1,389,492.45 = 452,769.90 : x
  2. Step 2: Convert to fraction form
    926,328.30/1,389,492.45 = 452,769.90/x
  3. Step 3: Cross multiply
    926,328.30x = 1,389,492.45 × 452,769.90
  4. Step 4: Simplify right side
    926,328.30x = 629,120,357,637.26
  5. Step 5: Solve for x
    x = 629,120,357,637.26/926,328.30
  6. Step 6: Final answer
    x = 679,154.85

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Similar ratio
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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.