Home / 875,552.40-1,208,262.24-493,579.20

Finding the Fourth Proportional to 875,552.40, 1,208,262.24 and 493,579.20

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Solution

The fourth proportional to 875,552.40, 1,208,262.24 and 493,579.20 is: 681,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,552.40 : 1,208,262.24 = 493,579.20 : x
  2. Step 2: Convert to fraction form
    875,552.40/1,208,262.24 = 493,579.20/x
  3. Step 3: Cross multiply
    875,552.40x = 1,208,262.24 × 493,579.20
  4. Step 4: Simplify right side
    875,552.40x = 596,373,109,809.41
  5. Step 5: Solve for x
    x = 596,373,109,809.41/875,552.40
  6. Step 6: Final answer
    x = 681,139.26

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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.