Home / 781,492.36-1,172,225.74-249,006.20

Finding the Fourth Proportional to 781,492.36, 1,172,225.74 and 249,006.20

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Solution

The fourth proportional to 781,492.36, 1,172,225.74 and 249,006.20 is: 373,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,492.36 : 1,172,225.74 = 249,006.20 : x
  2. Step 2: Convert to fraction form
    781,492.36/1,172,225.74 = 249,006.20/x
  3. Step 3: Cross multiply
    781,492.36x = 1,172,225.74 × 249,006.20
  4. Step 4: Simplify right side
    781,492.36x = 291,891,477,059.59
  5. Step 5: Solve for x
    x = 291,891,477,059.59/781,492.36
  6. Step 6: Final answer
    x = 373,505.22

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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.