Home / 980,458.59-1,470,689.04-306,543.42

Finding the Fourth Proportional to 980,458.59, 1,470,689.04 and 306,543.42

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Solution

The fourth proportional to 980,458.59, 1,470,689.04 and 306,543.42 is: 459,815.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,458.59 : 1,470,689.04 = 306,543.42 : x
  2. Step 2: Convert to fraction form
    980,458.59/1,470,689.04 = 306,543.42/x
  3. Step 3: Cross multiply
    980,458.59x = 1,470,689.04 × 306,543.42
  4. Step 4: Simplify right side
    980,458.59x = 450,830,048,078.12
  5. Step 5: Solve for x
    x = 450,830,048,078.12/980,458.59
  6. Step 6: Final answer
    x = 459,815.49

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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.