Home / 753,492.16-1,130,148.72-247,927.78

Finding the Fourth Proportional to 753,492.16, 1,130,148.72 and 247,927.78

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Solution

The fourth proportional to 753,492.16, 1,130,148.72 and 247,927.78 is: 371,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,492.16 : 1,130,148.72 = 247,927.78 : x
  2. Step 2: Convert to fraction form
    753,492.16/1,130,148.72 = 247,927.78/x
  3. Step 3: Cross multiply
    753,492.16x = 1,130,148.72 × 247,927.78
  4. Step 4: Simplify right side
    753,492.16x = 280,195,263,219.44
  5. Step 5: Solve for x
    x = 280,195,263,219.44/753,492.16
  6. Step 6: Final answer
    x = 371,862.21

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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.