Home / 749,868.60-1,125,065.34-217,421.58

Finding the Fourth Proportional to 749,868.60, 1,125,065.34 and 217,421.58

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Solution

The fourth proportional to 749,868.60, 1,125,065.34 and 217,421.58 is: 326,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,868.60 : 1,125,065.34 = 217,421.58 : x
  2. Step 2: Convert to fraction form
    749,868.60/1,125,065.34 = 217,421.58/x
  3. Step 3: Cross multiply
    749,868.60x = 1,125,065.34 × 217,421.58
  4. Step 4: Simplify right side
    749,868.60x = 244,613,483,826.04
  5. Step 5: Solve for x
    x = 244,613,483,826.04/749,868.60
  6. Step 6: Final answer
    x = 326,208.46

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Double scale
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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.