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Finding the Fourth Proportional to 507,473.34, 700,140.76 and 289,525.44

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Solution

The fourth proportional to 507,473.34, 700,140.76 and 289,525.44 is: 399,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,473.34 : 700,140.76 = 289,525.44 : x
  2. Step 2: Convert to fraction form
    507,473.34/700,140.76 = 289,525.44/x
  3. Step 3: Cross multiply
    507,473.34x = 700,140.76 × 289,525.44
  4. Step 4: Simplify right side
    507,473.34x = 202,708,561,600.93
  5. Step 5: Solve for x
    x = 202,708,561,600.93/507,473.34
  6. Step 6: Final answer
    x = 399,446.72

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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.