Home / 657,980.48-984,725.10-551,484.65

Finding the Fourth Proportional to 657,980.48, 984,725.10 and 551,484.65

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Solution

The fourth proportional to 657,980.48, 984,725.10 and 551,484.65 is: 825,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,980.48 : 984,725.10 = 551,484.65 : x
  2. Step 2: Convert to fraction form
    657,980.48/984,725.10 = 551,484.65/x
  3. Step 3: Cross multiply
    657,980.48x = 984,725.10 × 551,484.65
  4. Step 4: Simplify right side
    657,980.48x = 543,060,779,581.53
  5. Step 5: Solve for x
    x = 543,060,779,581.53/657,980.48
  6. Step 6: Final answer
    x = 825,344.81

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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.