Home / 887,578.30-1,330,492.65-437,931.10

Finding the Fourth Proportional to 887,578.30, 1,330,492.65 and 437,931.10

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Solution

The fourth proportional to 887,578.30, 1,330,492.65 and 437,931.10 is: 656,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,578.30 : 1,330,492.65 = 437,931.10 : x
  2. Step 2: Convert to fraction form
    887,578.30/1,330,492.65 = 437,931.10/x
  3. Step 3: Cross multiply
    887,578.30x = 1,330,492.65 × 437,931.10
  4. Step 4: Simplify right side
    887,578.30x = 582,664,109,756.42
  5. Step 5: Solve for x
    x = 582,664,109,756.42/887,578.30
  6. Step 6: Final answer
    x = 656,465.02

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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.