Home / 787,849.02-1,087,244.55-430,153.02

Finding the Fourth Proportional to 787,849.02, 1,087,244.55 and 430,153.02

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Solution

The fourth proportional to 787,849.02, 1,087,244.55 and 430,153.02 is: 593,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,849.02 : 1,087,244.55 = 430,153.02 : x
  2. Step 2: Convert to fraction form
    787,849.02/1,087,244.55 = 430,153.02/x
  3. Step 3: Cross multiply
    787,849.02x = 1,087,244.55 × 430,153.02
  4. Step 4: Simplify right side
    787,849.02x = 467,681,526,661.04
  5. Step 5: Solve for x
    x = 467,681,526,661.04/787,849.02
  6. Step 6: Final answer
    x = 593,618.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.