Home / 710,483.70-1,065,725.55-486,534.90

Finding the Fourth Proportional to 710,483.70, 1,065,725.55 and 486,534.90

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Solution

The fourth proportional to 710,483.70, 1,065,725.55 and 486,534.90 is: 729,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,483.70 : 1,065,725.55 = 486,534.90 : x
  2. Step 2: Convert to fraction form
    710,483.70/1,065,725.55 = 486,534.90/x
  3. Step 3: Cross multiply
    710,483.70x = 1,065,725.55 × 486,534.90
  4. Step 4: Simplify right side
    710,483.70x = 518,512,673,896.70
  5. Step 5: Solve for x
    x = 518,512,673,896.70/710,483.70
  6. Step 6: Final answer
    x = 729,802.35

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Similar ratio
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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.