Home / 830,723.92-1,146,398.04-448,750.64

Finding the Fourth Proportional to 830,723.92, 1,146,398.04 and 448,750.64

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Solution

The fourth proportional to 830,723.92, 1,146,398.04 and 448,750.64 is: 619,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,723.92 : 1,146,398.04 = 448,750.64 : x
  2. Step 2: Convert to fraction form
    830,723.92/1,146,398.04 = 448,750.64/x
  3. Step 3: Cross multiply
    830,723.92x = 1,146,398.04 × 448,750.64
  4. Step 4: Simplify right side
    830,723.92x = 514,446,854,144.75
  5. Step 5: Solve for x
    x = 514,446,854,144.75/830,723.92
  6. Step 6: Final answer
    x = 619,275.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.