Home / 921,497.02-1,382,868.35-322,463.48

Finding the Fourth Proportional to 921,497.02, 1,382,868.35 and 322,463.48

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Solution

The fourth proportional to 921,497.02, 1,382,868.35 and 322,463.48 is: 483,913.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,497.02 : 1,382,868.35 = 322,463.48 : x
  2. Step 2: Convert to fraction form
    921,497.02/1,382,868.35 = 322,463.48/x
  3. Step 3: Cross multiply
    921,497.02x = 1,382,868.35 × 322,463.48
  4. Step 4: Simplify right side
    921,497.02x = 445,924,537,871.85
  5. Step 5: Solve for x
    x = 445,924,537,871.85/921,497.02
  6. Step 6: Final answer
    x = 483,913.16

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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.