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Finding the Fourth Proportional to 507,751.07, 700,768.33 and 314,221.11

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Solution

The fourth proportional to 507,751.07, 700,768.33 and 314,221.11 is: 433,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,751.07 : 700,768.33 = 314,221.11 : x
  2. Step 2: Convert to fraction form
    507,751.07/700,768.33 = 314,221.11/x
  3. Step 3: Cross multiply
    507,751.07x = 700,768.33 × 314,221.11
  4. Step 4: Simplify right side
    507,751.07x = 220,196,199,092.01
  5. Step 5: Solve for x
    x = 220,196,199,092.01/507,751.07
  6. Step 6: Final answer
    x = 433,669.60

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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.