Home / 916,219.02-1,374,415.98-284,963.34

Finding the Fourth Proportional to 916,219.02, 1,374,415.98 and 284,963.34

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Solution

The fourth proportional to 916,219.02, 1,374,415.98 and 284,963.34 is: 427,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,219.02 : 1,374,415.98 = 284,963.34 : x
  2. Step 2: Convert to fraction form
    916,219.02/1,374,415.98 = 284,963.34/x
  3. Step 3: Cross multiply
    916,219.02x = 1,374,415.98 × 284,963.34
  4. Step 4: Simplify right side
    916,219.02x = 391,658,168,210.17
  5. Step 5: Solve for x
    x = 391,658,168,210.17/916,219.02
  6. Step 6: Final answer
    x = 427,472.21

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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.