Home / 788,807.63-1,183,331.33-290,132.75

Finding the Fourth Proportional to 788,807.63, 1,183,331.33 and 290,132.75

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Solution

The fourth proportional to 788,807.63, 1,183,331.33 and 290,132.75 is: 435,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,807.63 : 1,183,331.33 = 290,132.75 : x
  2. Step 2: Convert to fraction form
    788,807.63/1,183,331.33 = 290,132.75/x
  3. Step 3: Cross multiply
    788,807.63x = 1,183,331.33 × 290,132.75
  4. Step 4: Simplify right side
    788,807.63x = 343,323,172,934.06
  5. Step 5: Solve for x
    x = 343,323,172,934.06/788,807.63
  6. Step 6: Final answer
    x = 435,243.22

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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.