Home / 730,170.40-1,095,547.20-309,741.52

Finding the Fourth Proportional to 730,170.40, 1,095,547.20 and 309,741.52

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Solution

The fourth proportional to 730,170.40, 1,095,547.20 and 309,741.52 is: 464,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,170.40 : 1,095,547.20 = 309,741.52 : x
  2. Step 2: Convert to fraction form
    730,170.40/1,095,547.20 = 309,741.52/x
  3. Step 3: Cross multiply
    730,170.40x = 1,095,547.20 × 309,741.52
  4. Step 4: Simplify right side
    730,170.40x = 339,336,454,959.74
  5. Step 5: Solve for x
    x = 339,336,454,959.74/730,170.40
  6. Step 6: Final answer
    x = 464,735.98

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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.