Home / 958,911.60-1,437,371.10-390,048.60

Finding the Fourth Proportional to 958,911.60, 1,437,371.10 and 390,048.60

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Solution

The fourth proportional to 958,911.60, 1,437,371.10 and 390,048.60 is: 584,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,911.60 : 1,437,371.10 = 390,048.60 : x
  2. Step 2: Convert to fraction form
    958,911.60/1,437,371.10 = 390,048.60/x
  3. Step 3: Cross multiply
    958,911.60x = 1,437,371.10 × 390,048.60
  4. Step 4: Simplify right side
    958,911.60x = 560,644,585,235.46
  5. Step 5: Solve for x
    x = 560,644,585,235.46/958,911.60
  6. Step 6: Final answer
    x = 584,667.64

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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.