Home / 710,178.30-1,065,267.45-211,542.30

Finding the Fourth Proportional to 710,178.30, 1,065,267.45 and 211,542.30

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Solution

The fourth proportional to 710,178.30, 1,065,267.45 and 211,542.30 is: 317,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,178.30 : 1,065,267.45 = 211,542.30 : x
  2. Step 2: Convert to fraction form
    710,178.30/1,065,267.45 = 211,542.30/x
  3. Step 3: Cross multiply
    710,178.30x = 1,065,267.45 × 211,542.30
  4. Step 4: Simplify right side
    710,178.30x = 225,349,126,488.14
  5. Step 5: Solve for x
    x = 225,349,126,488.14/710,178.30
  6. Step 6: Final answer
    x = 317,313.45

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Similar ratio
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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.