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Finding the Fourth Proportional to 498,552.06, 746,636.04 and 287,550.30

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Solution

The fourth proportional to 498,552.06, 746,636.04 and 287,550.30 is: 430,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,552.06 : 746,636.04 = 287,550.30 : x
  2. Step 2: Convert to fraction form
    498,552.06/746,636.04 = 287,550.30/x
  3. Step 3: Cross multiply
    498,552.06x = 746,636.04 × 287,550.30
  4. Step 4: Simplify right side
    498,552.06x = 214,695,417,292.81
  5. Step 5: Solve for x
    x = 214,695,417,292.81/498,552.06
  6. Step 6: Final answer
    x = 430,637.91

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1.5x scale

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.