Home / 908,941.32-1,254,285.88-521,667.36

Finding the Fourth Proportional to 908,941.32, 1,254,285.88 and 521,667.36

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Solution

The fourth proportional to 908,941.32, 1,254,285.88 and 521,667.36 is: 719,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,941.32 : 1,254,285.88 = 521,667.36 : x
  2. Step 2: Convert to fraction form
    908,941.32/1,254,285.88 = 521,667.36/x
  3. Step 3: Cross multiply
    908,941.32x = 1,254,285.88 × 521,667.36
  4. Step 4: Simplify right side
    908,941.32x = 654,320,002,400.71
  5. Step 5: Solve for x
    x = 654,320,002,400.71/908,941.32
  6. Step 6: Final answer
    x = 719,870.46

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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.