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Finding the Fourth Proportional to 520,502.04, 780,830.82 and 165,527.64

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Solution

The fourth proportional to 520,502.04, 780,830.82 and 165,527.64 is: 248,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,502.04 : 780,830.82 = 165,527.64 : x
  2. Step 2: Convert to fraction form
    520,502.04/780,830.82 = 165,527.64/x
  3. Step 3: Cross multiply
    520,502.04x = 780,830.82 × 165,527.64
  4. Step 4: Simplify right side
    520,502.04x = 129,249,082,873.87
  5. Step 5: Solve for x
    x = 129,249,082,873.87/520,502.04
  6. Step 6: Final answer
    x = 248,316.19

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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.