Home / 958,011.40-1,437,131.67-389,270.98

Finding the Fourth Proportional to 958,011.40, 1,437,131.67 and 389,270.98

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Solution

The fourth proportional to 958,011.40, 1,437,131.67 and 389,270.98 is: 583,953.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,011.40 : 1,437,131.67 = 389,270.98 : x
  2. Step 2: Convert to fraction form
    958,011.40/1,437,131.67 = 389,270.98/x
  3. Step 3: Cross multiply
    958,011.40x = 1,437,131.67 × 389,270.98
  4. Step 4: Simplify right side
    958,011.40x = 559,433,653,569.94
  5. Step 5: Solve for x
    x = 559,433,653,569.94/958,011.40
  6. Step 6: Final answer
    x = 583,953.02

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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.