Home / 829,901.07-1,145,252.18-467,329.28

Finding the Fourth Proportional to 829,901.07, 1,145,252.18 and 467,329.28

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Solution

The fourth proportional to 829,901.07, 1,145,252.18 and 467,329.28 is: 644,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,901.07 : 1,145,252.18 = 467,329.28 : x
  2. Step 2: Convert to fraction form
    829,901.07/1,145,252.18 = 467,329.28/x
  3. Step 3: Cross multiply
    829,901.07x = 1,145,252.18 × 467,329.28
  4. Step 4: Simplify right side
    829,901.07x = 535,209,872,139.89
  5. Step 5: Solve for x
    x = 535,209,872,139.89/829,901.07
  6. Step 6: Final answer
    x = 644,908.04

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1.5x scale

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.