Home / 810,225.90-1,118,123.46-447,658.10

Finding the Fourth Proportional to 810,225.90, 1,118,123.46 and 447,658.10

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Solution

The fourth proportional to 810,225.90, 1,118,123.46 and 447,658.10 is: 617,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,225.90 : 1,118,123.46 = 447,658.10 : x
  2. Step 2: Convert to fraction form
    810,225.90/1,118,123.46 = 447,658.10/x
  3. Step 3: Cross multiply
    810,225.90x = 1,118,123.46 × 447,658.10
  4. Step 4: Simplify right side
    810,225.90x = 500,537,023,669.03
  5. Step 5: Solve for x
    x = 500,537,023,669.03/810,225.90
  6. Step 6: Final answer
    x = 617,774.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.