Home / 784,469.90-1,175,592.40-328,569.98

Finding the Fourth Proportional to 784,469.90, 1,175,592.40 and 328,569.98

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Solution

The fourth proportional to 784,469.90, 1,175,592.40 and 328,569.98 is: 492,389.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,469.90 : 1,175,592.40 = 328,569.98 : x
  2. Step 2: Convert to fraction form
    784,469.90/1,175,592.40 = 328,569.98/x
  3. Step 3: Cross multiply
    784,469.90x = 1,175,592.40 × 328,569.98
  4. Step 4: Simplify right side
    784,469.90x = 386,264,371,356.15
  5. Step 5: Solve for x
    x = 386,264,371,356.15/784,469.90
  6. Step 6: Final answer
    x = 492,389.03

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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.