Home / 875,679.77-1,208,410.67-513,344.96

Finding the Fourth Proportional to 875,679.77, 1,208,410.67 and 513,344.96

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Solution

The fourth proportional to 875,679.77, 1,208,410.67 and 513,344.96 is: 708,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,679.77 : 1,208,410.67 = 513,344.96 : x
  2. Step 2: Convert to fraction form
    875,679.77/1,208,410.67 = 513,344.96/x
  3. Step 3: Cross multiply
    875,679.77x = 1,208,410.67 × 513,344.96
  4. Step 4: Simplify right side
    875,679.77x = 620,331,518,445.95
  5. Step 5: Solve for x
    x = 620,331,518,445.95/875,679.77
  6. Step 6: Final answer
    x = 708,399.97

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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.