Home / 824,973.30-1,236,475.80-740,336.40

Finding the Fourth Proportional to 824,973.30, 1,236,475.80 and 740,336.40

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Solution

The fourth proportional to 824,973.30, 1,236,475.80 and 740,336.40 is: 1,109,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,973.30 : 1,236,475.80 = 740,336.40 : x
  2. Step 2: Convert to fraction form
    824,973.30/1,236,475.80 = 740,336.40/x
  3. Step 3: Cross multiply
    824,973.30x = 1,236,475.80 × 740,336.40
  4. Step 4: Simplify right side
    824,973.30x = 915,408,042,459.12
  5. Step 5: Solve for x
    x = 915,408,042,459.12/824,973.30
  6. Step 6: Final answer
    x = 1,109,621.42

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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.