Home / 839,852.24-1,158,999.72-538,221.20

Finding the Fourth Proportional to 839,852.24, 1,158,999.72 and 538,221.20

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Solution

The fourth proportional to 839,852.24, 1,158,999.72 and 538,221.20 is: 742,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,852.24 : 1,158,999.72 = 538,221.20 : x
  2. Step 2: Convert to fraction form
    839,852.24/1,158,999.72 = 538,221.20/x
  3. Step 3: Cross multiply
    839,852.24x = 1,158,999.72 × 538,221.20
  4. Step 4: Simplify right side
    839,852.24x = 623,798,220,098.06
  5. Step 5: Solve for x
    x = 623,798,220,098.06/839,852.24
  6. Step 6: Final answer
    x = 742,747.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.