Home / 753,664.79-1,130,663.30-417,196.19

Finding the Fourth Proportional to 753,664.79, 1,130,663.30 and 417,196.19

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Solution

The fourth proportional to 753,664.79, 1,130,663.30 and 417,196.19 is: 625,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,664.79 : 1,130,663.30 = 417,196.19 : x
  2. Step 2: Convert to fraction form
    753,664.79/1,130,663.30 = 417,196.19/x
  3. Step 3: Cross multiply
    753,664.79x = 1,130,663.30 × 417,196.19
  4. Step 4: Simplify right side
    753,664.79x = 471,708,420,932.83
  5. Step 5: Solve for x
    x = 471,708,420,932.83/753,664.79
  6. Step 6: Final answer
    x = 625,886.24

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1.5x scale

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.