Home / 649,726.49-896,577.03-377,775.09

Finding the Fourth Proportional to 649,726.49, 896,577.03 and 377,775.09

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Solution

The fourth proportional to 649,726.49, 896,577.03 and 377,775.09 is: 521,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,726.49 : 896,577.03 = 377,775.09 : x
  2. Step 2: Convert to fraction form
    649,726.49/896,577.03 = 377,775.09/x
  3. Step 3: Cross multiply
    649,726.49x = 896,577.03 × 377,775.09
  4. Step 4: Simplify right side
    649,726.49x = 338,704,468,200.18
  5. Step 5: Solve for x
    x = 338,704,468,200.18/649,726.49
  6. Step 6: Final answer
    x = 521,303.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.