Home / 485,827.63-670,443.15-270,962.17

Finding the Fourth Proportional to 485,827.63, 670,443.15 and 270,962.17

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Solution

The fourth proportional to 485,827.63, 670,443.15 and 270,962.17 is: 373,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,827.63 : 670,443.15 = 270,962.17 : x
  2. Step 2: Convert to fraction form
    485,827.63/670,443.15 = 270,962.17/x
  3. Step 3: Cross multiply
    485,827.63x = 670,443.15 × 270,962.17
  4. Step 4: Simplify right side
    485,827.63x = 181,664,730,785.64
  5. Step 5: Solve for x
    x = 181,664,730,785.64/485,827.63
  6. Step 6: Final answer
    x = 373,928.36

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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.