Home / 875,856.93-1,208,475.77-493,809.90

Finding the Fourth Proportional to 875,856.93, 1,208,475.77 and 493,809.90

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Solution

The fourth proportional to 875,856.93, 1,208,475.77 and 493,809.90 is: 681,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,856.93 : 1,208,475.77 = 493,809.90 : x
  2. Step 2: Convert to fraction form
    875,856.93/1,208,475.77 = 493,809.90/x
  3. Step 3: Cross multiply
    875,856.93x = 1,208,475.77 × 493,809.90
  4. Step 4: Simplify right side
    875,856.93x = 596,757,296,667.07
  5. Step 5: Solve for x
    x = 596,757,296,667.07/875,856.93
  6. Step 6: Final answer
    x = 681,341.07

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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.