Home / 958,011.90-1,437,132.42-389,271.48

Finding the Fourth Proportional to 958,011.90, 1,437,132.42 and 389,271.48

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Solution

The fourth proportional to 958,011.90, 1,437,132.42 and 389,271.48 is: 583,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,011.90 : 1,437,132.42 = 389,271.48 : x
  2. Step 2: Convert to fraction form
    958,011.90/1,437,132.42 = 389,271.48/x
  3. Step 3: Cross multiply
    958,011.90x = 1,437,132.42 × 389,271.48
  4. Step 4: Simplify right side
    958,011.90x = 559,434,664,089.38
  5. Step 5: Solve for x
    x = 559,434,664,089.38/958,011.90
  6. Step 6: Final answer
    x = 583,953.77

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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.