Home / 849,553.30-1,274,329.95-288,587.80

Finding the Fourth Proportional to 849,553.30, 1,274,329.95 and 288,587.80

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Solution

The fourth proportional to 849,553.30, 1,274,329.95 and 288,587.80 is: 432,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,553.30 : 1,274,329.95 = 288,587.80 : x
  2. Step 2: Convert to fraction form
    849,553.30/1,274,329.95 = 288,587.80/x
  3. Step 3: Cross multiply
    849,553.30x = 1,274,329.95 × 288,587.80
  4. Step 4: Simplify right side
    849,553.30x = 367,756,076,744.61
  5. Step 5: Solve for x
    x = 367,756,076,744.61/849,553.30
  6. Step 6: Final answer
    x = 432,881.70

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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.