Home / 753,751.77-1,040,341.50-463,612.71

Finding the Fourth Proportional to 753,751.77, 1,040,341.50 and 463,612.71

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Solution

The fourth proportional to 753,751.77, 1,040,341.50 and 463,612.71 is: 639,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,751.77 : 1,040,341.50 = 463,612.71 : x
  2. Step 2: Convert to fraction form
    753,751.77/1,040,341.50 = 463,612.71/x
  3. Step 3: Cross multiply
    753,751.77x = 1,040,341.50 × 463,612.71
  4. Step 4: Simplify right side
    753,751.77x = 482,315,542,140.47
  5. Step 5: Solve for x
    x = 482,315,542,140.47/753,751.77
  6. Step 6: Final answer
    x = 639,886.45

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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.