Home / 993,597.60-1,490,590.80-424,977.60

Finding the Fourth Proportional to 993,597.60, 1,490,590.80 and 424,977.60

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Solution

The fourth proportional to 993,597.60, 1,490,590.80 and 424,977.60 is: 637,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,597.60 : 1,490,590.80 = 424,977.60 : x
  2. Step 2: Convert to fraction form
    993,597.60/1,490,590.80 = 424,977.60/x
  3. Step 3: Cross multiply
    993,597.60x = 1,490,590.80 × 424,977.60
  4. Step 4: Simplify right side
    993,597.60x = 633,467,700,766.08
  5. Step 5: Solve for x
    x = 633,467,700,766.08/993,597.60
  6. Step 6: Final answer
    x = 637,549.55

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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.