Home / 908,830.80-1,363,246.20-435,272.40

Finding the Fourth Proportional to 908,830.80, 1,363,246.20 and 435,272.40

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Solution

The fourth proportional to 908,830.80, 1,363,246.20 and 435,272.40 is: 652,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,830.80 : 1,363,246.20 = 435,272.40 : x
  2. Step 2: Convert to fraction form
    908,830.80/1,363,246.20 = 435,272.40/x
  3. Step 3: Cross multiply
    908,830.80x = 1,363,246.20 × 435,272.40
  4. Step 4: Simplify right side
    908,830.80x = 593,383,445,264.88
  5. Step 5: Solve for x
    x = 593,383,445,264.88/908,830.80
  6. Step 6: Final answer
    x = 652,908.60

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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.