Home / 690,020.15-1,035,242.01-353,297.22

Finding the Fourth Proportional to 690,020.15, 1,035,242.01 and 353,297.22

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Solution

The fourth proportional to 690,020.15, 1,035,242.01 and 353,297.22 is: 530,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,020.15 : 1,035,242.01 = 353,297.22 : x
  2. Step 2: Convert to fraction form
    690,020.15/1,035,242.01 = 353,297.22/x
  3. Step 3: Cross multiply
    690,020.15x = 1,035,242.01 × 353,297.22
  4. Step 4: Simplify right side
    690,020.15x = 365,748,124,160.21
  5. Step 5: Solve for x
    x = 365,748,124,160.21/690,020.15
  6. Step 6: Final answer
    x = 530,054.27

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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.