Home / 989,662.32-1,484,494.92-358,428.24

Finding the Fourth Proportional to 989,662.32, 1,484,494.92 and 358,428.24

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Solution

The fourth proportional to 989,662.32, 1,484,494.92 and 358,428.24 is: 537,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,662.32 : 1,484,494.92 = 358,428.24 : x
  2. Step 2: Convert to fraction form
    989,662.32/1,484,494.92 = 358,428.24/x
  3. Step 3: Cross multiply
    989,662.32x = 1,484,494.92 × 358,428.24
  4. Step 4: Simplify right side
    989,662.32x = 532,084,901,464.54
  5. Step 5: Solve for x
    x = 532,084,901,464.54/989,662.32
  6. Step 6: Final answer
    x = 537,642.88

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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.