Home / 997,225.40-1,495,400.70-397,987.40

Finding the Fourth Proportional to 997,225.40, 1,495,400.70 and 397,987.40

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Solution

The fourth proportional to 997,225.40, 1,495,400.70 and 397,987.40 is: 596,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,225.40 : 1,495,400.70 = 397,987.40 : x
  2. Step 2: Convert to fraction form
    997,225.40/1,495,400.70 = 397,987.40/x
  3. Step 3: Cross multiply
    997,225.40x = 1,495,400.70 × 397,987.40
  4. Step 4: Simplify right side
    997,225.40x = 595,150,636,551.18
  5. Step 5: Solve for x
    x = 595,150,636,551.18/997,225.40
  6. Step 6: Final answer
    x = 596,806.54

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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.