Home / 849,776.48-1,272,829.88-399,823.10

Finding the Fourth Proportional to 849,776.48, 1,272,829.88 and 399,823.10

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Solution

The fourth proportional to 849,776.48, 1,272,829.88 and 399,823.10 is: 598,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,776.48 : 1,272,829.88 = 399,823.10 : x
  2. Step 2: Convert to fraction form
    849,776.48/1,272,829.88 = 399,823.10/x
  3. Step 3: Cross multiply
    849,776.48x = 1,272,829.88 × 399,823.10
  4. Step 4: Simplify right side
    849,776.48x = 508,906,788,394.23
  5. Step 5: Solve for x
    x = 508,906,788,394.23/849,776.48
  6. Step 6: Final answer
    x = 598,871.35

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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.