Home / 788,657.65-1,182,986.50-189,618.84

Finding the Fourth Proportional to 788,657.65, 1,182,986.50 and 189,618.84

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Solution

The fourth proportional to 788,657.65, 1,182,986.50 and 189,618.84 is: 284,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,657.65 : 1,182,986.50 = 189,618.84 : x
  2. Step 2: Convert to fraction form
    788,657.65/1,182,986.50 = 189,618.84/x
  3. Step 3: Cross multiply
    788,657.65x = 1,182,986.50 × 189,618.84
  4. Step 4: Simplify right side
    788,657.65x = 224,316,522,223.12
  5. Step 5: Solve for x
    x = 224,316,522,223.12/788,657.65
  6. Step 6: Final answer
    x = 284,428.26

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Double scale
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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.