Home / 993,522.96-1,490,390.55-424,962.90

Finding the Fourth Proportional to 993,522.96, 1,490,390.55 and 424,962.90

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Solution

The fourth proportional to 993,522.96, 1,490,390.55 and 424,962.90 is: 637,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,522.96 : 1,490,390.55 = 424,962.90 : x
  2. Step 2: Convert to fraction form
    993,522.96/1,490,390.55 = 424,962.90/x
  3. Step 3: Cross multiply
    993,522.96x = 1,490,390.55 × 424,962.90
  4. Step 4: Simplify right side
    993,522.96x = 633,360,690,260.60
  5. Step 5: Solve for x
    x = 633,360,690,260.60/993,522.96
  6. Step 6: Final answer
    x = 637,489.74

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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.