Home / 989,457.27-1,484,247.47-358,376.55

Finding the Fourth Proportional to 989,457.27, 1,484,247.47 and 358,376.55

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Solution

The fourth proportional to 989,457.27, 1,484,247.47 and 358,376.55 is: 537,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,457.27 : 1,484,247.47 = 358,376.55 : x
  2. Step 2: Convert to fraction form
    989,457.27/1,484,247.47 = 358,376.55/x
  3. Step 3: Cross multiply
    989,457.27x = 1,484,247.47 × 358,376.55
  4. Step 4: Simplify right side
    989,457.27x = 531,919,487,644.83
  5. Step 5: Solve for x
    x = 531,919,487,644.83/989,457.27
  6. Step 6: Final answer
    x = 537,587.12

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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.