Home / 993,769.60-1,490,848.80-425,149.60

Finding the Fourth Proportional to 993,769.60, 1,490,848.80 and 425,149.60

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Solution

The fourth proportional to 993,769.60, 1,490,848.80 and 425,149.60 is: 637,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,769.60 : 1,490,848.80 = 425,149.60 : x
  2. Step 2: Convert to fraction form
    993,769.60/1,490,848.80 = 425,149.60/x
  3. Step 3: Cross multiply
    993,769.60x = 1,490,848.80 × 425,149.60
  4. Step 4: Simplify right side
    993,769.60x = 633,833,770,980.48
  5. Step 5: Solve for x
    x = 633,833,770,980.48/993,769.60
  6. Step 6: Final answer
    x = 637,807.57

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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.