Home / 749,866.83-1,125,062.67-217,419.81

Finding the Fourth Proportional to 749,866.83, 1,125,062.67 and 217,419.81

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Solution

The fourth proportional to 749,866.83, 1,125,062.67 and 217,419.81 is: 326,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,866.83 : 1,125,062.67 = 217,419.81 : x
  2. Step 2: Convert to fraction form
    749,866.83/1,125,062.67 = 217,419.81/x
  3. Step 3: Cross multiply
    749,866.83x = 1,125,062.67 × 217,419.81
  4. Step 4: Simplify right side
    749,866.83x = 244,610,911,949.49
  5. Step 5: Solve for x
    x = 244,610,911,949.49/749,866.83
  6. Step 6: Final answer
    x = 326,205.80

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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.