Home / 989,307.35-1,483,736.85-502,496.03

Finding the Fourth Proportional to 989,307.35, 1,483,736.85 and 502,496.03

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Solution

The fourth proportional to 989,307.35, 1,483,736.85 and 502,496.03 is: 753,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,307.35 : 1,483,736.85 = 502,496.03 : x
  2. Step 2: Convert to fraction form
    989,307.35/1,483,736.85 = 502,496.03/x
  3. Step 3: Cross multiply
    989,307.35x = 1,483,736.85 × 502,496.03
  4. Step 4: Simplify right side
    989,307.35x = 745,571,876,689.71
  5. Step 5: Solve for x
    x = 745,571,876,689.71/989,307.35
  6. Step 6: Final answer
    x = 753,630.18

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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.