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Finding the Fourth Proportional to 507,613.56, 761,442.96 and 282,803.64

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Solution

The fourth proportional to 507,613.56, 761,442.96 and 282,803.64 is: 424,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,613.56 : 761,442.96 = 282,803.64 : x
  2. Step 2: Convert to fraction form
    507,613.56/761,442.96 = 282,803.64/x
  3. Step 3: Cross multiply
    507,613.56x = 761,442.96 × 282,803.64
  4. Step 4: Simplify right side
    507,613.56x = 215,338,840,740.37
  5. Step 5: Solve for x
    x = 215,338,840,740.37/507,613.56
  6. Step 6: Final answer
    x = 424,218.06

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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.