Home / 997,310.40-1,495,528.20-398,072.40

Finding the Fourth Proportional to 997,310.40, 1,495,528.20 and 398,072.40

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Solution

The fourth proportional to 997,310.40, 1,495,528.20 and 398,072.40 is: 596,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,310.40 : 1,495,528.20 = 398,072.40 : x
  2. Step 2: Convert to fraction form
    997,310.40/1,495,528.20 = 398,072.40/x
  3. Step 3: Cross multiply
    997,310.40x = 1,495,528.20 × 398,072.40
  4. Step 4: Simplify right side
    997,310.40x = 595,328,499,841.68
  5. Step 5: Solve for x
    x = 595,328,499,841.68/997,310.40
  6. Step 6: Final answer
    x = 596,934.01

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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.