Home / 896,490.18-1,237,124.88-488,583.90

Finding the Fourth Proportional to 896,490.18, 1,237,124.88 and 488,583.90

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Solution

The fourth proportional to 896,490.18, 1,237,124.88 and 488,583.90 is: 674,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,490.18 : 1,237,124.88 = 488,583.90 : x
  2. Step 2: Convert to fraction form
    896,490.18/1,237,124.88 = 488,583.90/x
  3. Step 3: Cross multiply
    896,490.18x = 1,237,124.88 × 488,583.90
  4. Step 4: Simplify right side
    896,490.18x = 604,439,298,657.43
  5. Step 5: Solve for x
    x = 604,439,298,657.43/896,490.18
  6. Step 6: Final answer
    x = 674,228.58

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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.