Home / 858,240.88-1,184,199.96-518,728.24

Finding the Fourth Proportional to 858,240.88, 1,184,199.96 and 518,728.24

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Solution

The fourth proportional to 858,240.88, 1,184,199.96 and 518,728.24 is: 715,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,240.88 : 1,184,199.96 = 518,728.24 : x
  2. Step 2: Convert to fraction form
    858,240.88/1,184,199.96 = 518,728.24/x
  3. Step 3: Cross multiply
    858,240.88x = 1,184,199.96 × 518,728.24
  4. Step 4: Simplify right side
    858,240.88x = 614,277,961,058.87
  5. Step 5: Solve for x
    x = 614,277,961,058.87/858,240.88
  6. Step 6: Final answer
    x = 715,740.74

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Double scale
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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.