Home / 890,601.35-1,332,748.62-553,800.65

Finding the Fourth Proportional to 890,601.35, 1,332,748.62 and 553,800.65

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Solution

The fourth proportional to 890,601.35, 1,332,748.62 and 553,800.65 is: 828,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,601.35 : 1,332,748.62 = 553,800.65 : x
  2. Step 2: Convert to fraction form
    890,601.35/1,332,748.62 = 553,800.65/x
  3. Step 3: Cross multiply
    890,601.35x = 1,332,748.62 × 553,800.65
  4. Step 4: Simplify right side
    890,601.35x = 738,077,045,378.86
  5. Step 5: Solve for x
    x = 738,077,045,378.86/890,601.35
  6. Step 6: Final answer
    x = 828,740.10

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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.