Home / 827,256.30-1,240,920.90-467,421.90

Finding the Fourth Proportional to 827,256.30, 1,240,920.90 and 467,421.90

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Solution

The fourth proportional to 827,256.30, 1,240,920.90 and 467,421.90 is: 701,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,256.30 : 1,240,920.90 = 467,421.90 : x
  2. Step 2: Convert to fraction form
    827,256.30/1,240,920.90 = 467,421.90/x
  3. Step 3: Cross multiply
    827,256.30x = 1,240,920.90 × 467,421.90
  4. Step 4: Simplify right side
    827,256.30x = 580,033,604,827.71
  5. Step 5: Solve for x
    x = 580,033,604,827.71/827,256.30
  6. Step 6: Final answer
    x = 701,153.45

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1.5x scale

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.