Home / 690,058.90-1,035,129.70-216,744.26

Finding the Fourth Proportional to 690,058.90, 1,035,129.70 and 216,744.26

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Solution

The fourth proportional to 690,058.90, 1,035,129.70 and 216,744.26 is: 325,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,058.90 : 1,035,129.70 = 216,744.26 : x
  2. Step 2: Convert to fraction form
    690,058.90/1,035,129.70 = 216,744.26/x
  3. Step 3: Cross multiply
    690,058.90x = 1,035,129.70 × 216,744.26
  4. Step 4: Simplify right side
    690,058.90x = 224,358,421,748.41
  5. Step 5: Solve for x
    x = 224,358,421,748.41/690,058.90
  6. Step 6: Final answer
    x = 325,129.38

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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.