Home / 980,296.29-1,470,445.59-306,381.12

Finding the Fourth Proportional to 980,296.29, 1,470,445.59 and 306,381.12

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Solution

The fourth proportional to 980,296.29, 1,470,445.59 and 306,381.12 is: 459,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,296.29 : 1,470,445.59 = 306,381.12 : x
  2. Step 2: Convert to fraction form
    980,296.29/1,470,445.59 = 306,381.12/x
  3. Step 3: Cross multiply
    980,296.29x = 1,470,445.59 × 306,381.12
  4. Step 4: Simplify right side
    980,296.29x = 450,516,773,943.21
  5. Step 5: Solve for x
    x = 450,516,773,943.21/980,296.29
  6. Step 6: Final answer
    x = 459,572.05

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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.