Home / 896,105.48-1,344,407.33-390,710.63

Finding the Fourth Proportional to 896,105.48, 1,344,407.33 and 390,710.63

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Solution

The fourth proportional to 896,105.48, 1,344,407.33 and 390,710.63 is: 586,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,105.48 : 1,344,407.33 = 390,710.63 : x
  2. Step 2: Convert to fraction form
    896,105.48/1,344,407.33 = 390,710.63/x
  3. Step 3: Cross multiply
    896,105.48x = 1,344,407.33 × 390,710.63
  4. Step 4: Simplify right side
    896,105.48x = 525,274,230,315.32
  5. Step 5: Solve for x
    x = 525,274,230,315.32/896,105.48
  6. Step 6: Final answer
    x = 586,174.55

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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.