Home / 849,466.46-1,274,987.28-429,037.58

Finding the Fourth Proportional to 849,466.46, 1,274,987.28 and 429,037.58

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Solution

The fourth proportional to 849,466.46, 1,274,987.28 and 429,037.58 is: 643,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,466.46 : 1,274,987.28 = 429,037.58 : x
  2. Step 2: Convert to fraction form
    849,466.46/1,274,987.28 = 429,037.58/x
  3. Step 3: Cross multiply
    849,466.46x = 1,274,987.28 × 429,037.58
  4. Step 4: Simplify right side
    849,466.46x = 547,017,457,141.98
  5. Step 5: Solve for x
    x = 547,017,457,141.98/849,466.46
  6. Step 6: Final answer
    x = 643,954.16

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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.