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Finding the Fourth Proportional to 595,835.40, 893,753.10 and 490,859.40

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Solution

The fourth proportional to 595,835.40, 893,753.10 and 490,859.40 is: 736,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,835.40 : 893,753.10 = 490,859.40 : x
  2. Step 2: Convert to fraction form
    595,835.40/893,753.10 = 490,859.40/x
  3. Step 3: Cross multiply
    595,835.40x = 893,753.10 × 490,859.40
  4. Step 4: Simplify right side
    595,835.40x = 438,707,110,414.14
  5. Step 5: Solve for x
    x = 438,707,110,414.14/595,835.40
  6. Step 6: Final answer
    x = 736,289.10

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Similar ratio
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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.