Home / 690,424.70-1,035,673.95-217,146.96

Finding the Fourth Proportional to 690,424.70, 1,035,673.95 and 217,146.96

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Solution

The fourth proportional to 690,424.70, 1,035,673.95 and 217,146.96 is: 325,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,424.70 : 1,035,673.95 = 217,146.96 : x
  2. Step 2: Convert to fraction form
    690,424.70/1,035,673.95 = 217,146.96/x
  3. Step 3: Cross multiply
    690,424.70x = 1,035,673.95 × 217,146.96
  4. Step 4: Simplify right side
    690,424.70x = 224,893,455,129.92
  5. Step 5: Solve for x
    x = 224,893,455,129.92/690,424.70
  6. Step 6: Final answer
    x = 325,732.05

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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.