Home / 713,008.60-1,070,117.70-292,586.20

Finding the Fourth Proportional to 713,008.60, 1,070,117.70 and 292,586.20

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Solution

The fourth proportional to 713,008.60, 1,070,117.70 and 292,586.20 is: 439,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,008.60 : 1,070,117.70 = 292,586.20 : x
  2. Step 2: Convert to fraction form
    713,008.60/1,070,117.70 = 292,586.20/x
  3. Step 3: Cross multiply
    713,008.60x = 1,070,117.70 × 292,586.20
  4. Step 4: Simplify right side
    713,008.60x = 313,101,671,395.74
  5. Step 5: Solve for x
    x = 313,101,671,395.74/713,008.60
  6. Step 6: Final answer
    x = 439,127.48

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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.