Home / 788,758.20-1,182,699.90-314,908.20

Finding the Fourth Proportional to 788,758.20, 1,182,699.90 and 314,908.20

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Solution

The fourth proportional to 788,758.20, 1,182,699.90 and 314,908.20 is: 472,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,758.20 : 1,182,699.90 = 314,908.20 : x
  2. Step 2: Convert to fraction form
    788,758.20/1,182,699.90 = 314,908.20/x
  3. Step 3: Cross multiply
    788,758.20x = 1,182,699.90 × 314,908.20
  4. Step 4: Simplify right side
    788,758.20x = 372,441,896,649.18
  5. Step 5: Solve for x
    x = 372,441,896,649.18/788,758.20
  6. Step 6: Final answer
    x = 472,187.67

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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.