Home / 770,070.20-1,155,095.70-349,052.60

Finding the Fourth Proportional to 770,070.20, 1,155,095.70 and 349,052.60

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Solution

The fourth proportional to 770,070.20, 1,155,095.70 and 349,052.60 is: 523,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,070.20 : 1,155,095.70 = 349,052.60 : x
  2. Step 2: Convert to fraction form
    770,070.20/1,155,095.70 = 349,052.60/x
  3. Step 3: Cross multiply
    770,070.20x = 1,155,095.70 × 349,052.60
  4. Step 4: Simplify right side
    770,070.20x = 403,189,157,333.82
  5. Step 5: Solve for x
    x = 403,189,157,333.82/770,070.20
  6. Step 6: Final answer
    x = 523,574.55

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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.