Home / 437,384.18-603,702.78-284,803.22

Finding the Fourth Proportional to 437,384.18, 603,702.78 and 284,803.22

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Solution

The fourth proportional to 437,384.18, 603,702.78 and 284,803.22 is: 393,101.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,384.18 : 603,702.78 = 284,803.22 : x
  2. Step 2: Convert to fraction form
    437,384.18/603,702.78 = 284,803.22/x
  3. Step 3: Cross multiply
    437,384.18x = 603,702.78 × 284,803.22
  4. Step 4: Simplify right side
    437,384.18x = 171,936,495,666.95
  5. Step 5: Solve for x
    x = 171,936,495,666.95/437,384.18
  6. Step 6: Final answer
    x = 393,101.77

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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.