Home / 690,350.40-1,035,570.56-217,054.08

Finding the Fourth Proportional to 690,350.40, 1,035,570.56 and 217,054.08

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Solution

The fourth proportional to 690,350.40, 1,035,570.56 and 217,054.08 is: 325,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,350.40 : 1,035,570.56 = 217,054.08 : x
  2. Step 2: Convert to fraction form
    690,350.40/1,035,570.56 = 217,054.08/x
  3. Step 3: Cross multiply
    690,350.40x = 1,035,570.56 × 217,054.08
  4. Step 4: Simplify right side
    690,350.40x = 224,774,815,175.89
  5. Step 5: Solve for x
    x = 224,774,815,175.89/690,350.40
  6. Step 6: Final answer
    x = 325,595.26

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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.