Home / 579,363.60-867,077.10-508,504.80

Finding the Fourth Proportional to 579,363.60, 867,077.10 and 508,504.80

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Solution

The fourth proportional to 579,363.60, 867,077.10 and 508,504.80 is: 761,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,363.60 : 867,077.10 = 508,504.80 : x
  2. Step 2: Convert to fraction form
    579,363.60/867,077.10 = 508,504.80/x
  3. Step 3: Cross multiply
    579,363.60x = 867,077.10 × 508,504.80
  4. Step 4: Simplify right side
    579,363.60x = 440,912,867,320.08
  5. Step 5: Solve for x
    x = 440,912,867,320.08/579,363.60
  6. Step 6: Final answer
    x = 761,029.63

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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.