Home / 615,204.43-849,040.77-373,431.58

Finding the Fourth Proportional to 615,204.43, 849,040.77 and 373,431.58

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Solution

The fourth proportional to 615,204.43, 849,040.77 and 373,431.58 is: 515,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,204.43 : 849,040.77 = 373,431.58 : x
  2. Step 2: Convert to fraction form
    615,204.43/849,040.77 = 373,431.58/x
  3. Step 3: Cross multiply
    615,204.43x = 849,040.77 × 373,431.58
  4. Step 4: Simplify right side
    615,204.43x = 317,058,636,225.52
  5. Step 5: Solve for x
    x = 317,058,636,225.52/615,204.43
  6. Step 6: Final answer
    x = 515,371.19

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1.5x scale

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.