Home / 750,710.40-1,125,530.70-351,133.35

Finding the Fourth Proportional to 750,710.40, 1,125,530.70 and 351,133.35

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Solution

The fourth proportional to 750,710.40, 1,125,530.70 and 351,133.35 is: 526,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,710.40 : 1,125,530.70 = 351,133.35 : x
  2. Step 2: Convert to fraction form
    750,710.40/1,125,530.70 = 351,133.35/x
  3. Step 3: Cross multiply
    750,710.40x = 1,125,530.70 × 351,133.35
  4. Step 4: Simplify right side
    750,710.40x = 395,211,363,902.10
  5. Step 5: Solve for x
    x = 395,211,363,902.10/750,710.40
  6. Step 6: Final answer
    x = 526,449.83

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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.