Home / 434,426.20-651,639.30-404,901.70

Finding the Fourth Proportional to 434,426.20, 651,639.30 and 404,901.70

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Solution

The fourth proportional to 434,426.20, 651,639.30 and 404,901.70 is: 607,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,426.20 : 651,639.30 = 404,901.70 : x
  2. Step 2: Convert to fraction form
    434,426.20/651,639.30 = 404,901.70/x
  3. Step 3: Cross multiply
    434,426.20x = 651,639.30 × 404,901.70
  4. Step 4: Simplify right side
    434,426.20x = 263,849,860,356.81
  5. Step 5: Solve for x
    x = 263,849,860,356.81/434,426.20
  6. Step 6: Final answer
    x = 607,352.55

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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.