Home / 749,210.40-1,123,676.08-216,599.68

Finding the Fourth Proportional to 749,210.40, 1,123,676.08 and 216,599.68

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Solution

The fourth proportional to 749,210.40, 1,123,676.08 and 216,599.68 is: 324,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,210.40 : 1,123,676.08 = 216,599.68 : x
  2. Step 2: Convert to fraction form
    749,210.40/1,123,676.08 = 216,599.68/x
  3. Step 3: Cross multiply
    749,210.40x = 1,123,676.08 × 216,599.68
  4. Step 4: Simplify right side
    749,210.40x = 243,387,879,351.65
  5. Step 5: Solve for x
    x = 243,387,879,351.65/749,210.40
  6. Step 6: Final answer
    x = 324,859.18

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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.