Home / 673,886.27-1,011,070.08-289,473.64

Finding the Fourth Proportional to 673,886.27, 1,011,070.08 and 289,473.64

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Solution

The fourth proportional to 673,886.27, 1,011,070.08 and 289,473.64 is: 434,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,886.27 : 1,011,070.08 = 289,473.64 : x
  2. Step 2: Convert to fraction form
    673,886.27/1,011,070.08 = 289,473.64/x
  3. Step 3: Cross multiply
    673,886.27x = 1,011,070.08 × 289,473.64
  4. Step 4: Simplify right side
    673,886.27x = 292,678,133,825.02
  5. Step 5: Solve for x
    x = 292,678,133,825.02/673,886.27
  6. Step 6: Final answer
    x = 434,313.84

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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.