Home / 832,020.12-1,245,580.74-515,459.16

Finding the Fourth Proportional to 832,020.12, 1,245,580.74 and 515,459.16

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Solution

The fourth proportional to 832,020.12, 1,245,580.74 and 515,459.16 is: 771,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,020.12 : 1,245,580.74 = 515,459.16 : x
  2. Step 2: Convert to fraction form
    832,020.12/1,245,580.74 = 515,459.16/x
  3. Step 3: Cross multiply
    832,020.12x = 1,245,580.74 × 515,459.16
  4. Step 4: Simplify right side
    832,020.12x = 642,046,001,952.58
  5. Step 5: Solve for x
    x = 642,046,001,952.58/832,020.12
  6. Step 6: Final answer
    x = 771,671.25

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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.