Home / 788,247.90-1,183,246.65-489,066.30

Finding the Fourth Proportional to 788,247.90, 1,183,246.65 and 489,066.30

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Solution

The fourth proportional to 788,247.90, 1,183,246.65 and 489,066.30 is: 734,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,247.90 : 1,183,246.65 = 489,066.30 : x
  2. Step 2: Convert to fraction form
    788,247.90/1,183,246.65 = 489,066.30/x
  3. Step 3: Cross multiply
    788,247.90x = 1,183,246.65 × 489,066.30
  4. Step 4: Simplify right side
    788,247.90x = 578,686,061,102.90
  5. Step 5: Solve for x
    x = 578,686,061,102.90/788,247.90
  6. Step 6: Final answer
    x = 734,142.22

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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.