Home / 772,175.70-1,157,723.55-456,470.10

Finding the Fourth Proportional to 772,175.70, 1,157,723.55 and 456,470.10

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Solution

The fourth proportional to 772,175.70, 1,157,723.55 and 456,470.10 is: 684,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,175.70 : 1,157,723.55 = 456,470.10 : x
  2. Step 2: Convert to fraction form
    772,175.70/1,157,723.55 = 456,470.10/x
  3. Step 3: Cross multiply
    772,175.70x = 1,157,723.55 × 456,470.10
  4. Step 4: Simplify right side
    772,175.70x = 528,466,184,640.86
  5. Step 5: Solve for x
    x = 528,466,184,640.86/772,175.70
  6. Step 6: Final answer
    x = 684,385.93

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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.