Home / 887,068.40-1,330,274.55-288,049.10

Finding the Fourth Proportional to 887,068.40, 1,330,274.55 and 288,049.10

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Solution

The fourth proportional to 887,068.40, 1,330,274.55 and 288,049.10 is: 431,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,068.40 : 1,330,274.55 = 288,049.10 : x
  2. Step 2: Convert to fraction form
    887,068.40/1,330,274.55 = 288,049.10/x
  3. Step 3: Cross multiply
    887,068.40x = 1,330,274.55 × 288,049.10
  4. Step 4: Simplify right side
    887,068.40x = 383,184,386,880.41
  5. Step 5: Solve for x
    x = 383,184,386,880.41/887,068.40
  6. Step 6: Final answer
    x = 431,967.13

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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.