Home / 980,459.10-1,470,689.80-306,543.94

Finding the Fourth Proportional to 980,459.10, 1,470,689.80 and 306,543.94

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Solution

The fourth proportional to 980,459.10, 1,470,689.80 and 306,543.94 is: 459,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,459.10 : 1,470,689.80 = 306,543.94 : x
  2. Step 2: Convert to fraction form
    980,459.10/1,470,689.80 = 306,543.94/x
  3. Step 3: Cross multiply
    980,459.10x = 1,470,689.80 × 306,543.94
  4. Step 4: Simplify right side
    980,459.10x = 450,831,045,809.81
  5. Step 5: Solve for x
    x = 450,831,045,809.81/980,459.10
  6. Step 6: Final answer
    x = 459,816.27

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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.