Home / 788,030.65-1,182,212.03-255,510.15

Finding the Fourth Proportional to 788,030.65, 1,182,212.03 and 255,510.15

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Solution

The fourth proportional to 788,030.65, 1,182,212.03 and 255,510.15 is: 383,319.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,030.65 : 1,182,212.03 = 255,510.15 : x
  2. Step 2: Convert to fraction form
    788,030.65/1,182,212.03 = 255,510.15/x
  3. Step 3: Cross multiply
    788,030.65x = 1,182,212.03 × 255,510.15
  4. Step 4: Simplify right side
    788,030.65x = 302,067,173,117.11
  5. Step 5: Solve for x
    x = 302,067,173,117.11/788,030.65
  6. Step 6: Final answer
    x = 383,319.07

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Double scale
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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.