Home / 901,703.20-1,244,048.34-519,721.78

Finding the Fourth Proportional to 901,703.20, 1,244,048.34 and 519,721.78

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Solution

The fourth proportional to 901,703.20, 1,244,048.34 and 519,721.78 is: 717,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,703.20 : 1,244,048.34 = 519,721.78 : x
  2. Step 2: Convert to fraction form
    901,703.20/1,244,048.34 = 519,721.78/x
  3. Step 3: Cross multiply
    901,703.20x = 1,244,048.34 × 519,721.78
  4. Step 4: Simplify right side
    901,703.20x = 646,559,017,670.85
  5. Step 5: Solve for x
    x = 646,559,017,670.85/901,703.20
  6. Step 6: Final answer
    x = 717,041.95

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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.