Home / 780,047.10-1,170,070.65-306,575.10

Finding the Fourth Proportional to 780,047.10, 1,170,070.65 and 306,575.10

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Solution

The fourth proportional to 780,047.10, 1,170,070.65 and 306,575.10 is: 459,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,047.10 : 1,170,070.65 = 306,575.10 : x
  2. Step 2: Convert to fraction form
    780,047.10/1,170,070.65 = 306,575.10/x
  3. Step 3: Cross multiply
    780,047.10x = 1,170,070.65 × 306,575.10
  4. Step 4: Simplify right side
    780,047.10x = 358,714,526,530.82
  5. Step 5: Solve for x
    x = 358,714,526,530.82/780,047.10
  6. Step 6: Final answer
    x = 459,862.65

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Similar ratio
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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.