Home / 753,752.59-1,040,342.63-463,613.51

Finding the Fourth Proportional to 753,752.59, 1,040,342.63 and 463,613.51

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Solution

The fourth proportional to 753,752.59, 1,040,342.63 and 463,613.51 is: 639,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,752.59 : 1,040,342.63 = 463,613.51 : x
  2. Step 2: Convert to fraction form
    753,752.59/1,040,342.63 = 463,613.51/x
  3. Step 3: Cross multiply
    753,752.59x = 1,040,342.63 × 463,613.51
  4. Step 4: Simplify right side
    753,752.59x = 482,316,898,579.72
  5. Step 5: Solve for x
    x = 482,316,898,579.72/753,752.59
  6. Step 6: Final answer
    x = 639,887.55

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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.