Home / 719,171.85-1,077,999.48-239,271.48

Finding the Fourth Proportional to 719,171.85, 1,077,999.48 and 239,271.48

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Solution

The fourth proportional to 719,171.85, 1,077,999.48 and 239,271.48 is: 358,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,171.85 : 1,077,999.48 = 239,271.48 : x
  2. Step 2: Convert to fraction form
    719,171.85/1,077,999.48 = 239,271.48/x
  3. Step 3: Cross multiply
    719,171.85x = 1,077,999.48 × 239,271.48
  4. Step 4: Simplify right side
    719,171.85x = 257,934,531,018.83
  5. Step 5: Solve for x
    x = 257,934,531,018.83/719,171.85
  6. Step 6: Final answer
    x = 358,654.93

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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.