Home / 919,275.45-1,377,962.15-350,503.53

Finding the Fourth Proportional to 919,275.45, 1,377,962.15 and 350,503.53

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Solution

The fourth proportional to 919,275.45, 1,377,962.15 and 350,503.53 is: 525,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,275.45 : 1,377,962.15 = 350,503.53 : x
  2. Step 2: Convert to fraction form
    919,275.45/1,377,962.15 = 350,503.53/x
  3. Step 3: Cross multiply
    919,275.45x = 1,377,962.15 × 350,503.53
  4. Step 4: Simplify right side
    919,275.45x = 482,980,596,028.87
  5. Step 5: Solve for x
    x = 482,980,596,028.87/919,275.45
  6. Step 6: Final answer
    x = 525,392.68

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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.