Home / 958,808.07-1,437,369.64-390,666.92

Finding the Fourth Proportional to 958,808.07, 1,437,369.64 and 390,666.92

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Solution

The fourth proportional to 958,808.07, 1,437,369.64 and 390,666.92 is: 585,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,808.07 : 1,437,369.64 = 390,666.92 : x
  2. Step 2: Convert to fraction form
    958,808.07/1,437,369.64 = 390,666.92/x
  3. Step 3: Cross multiply
    958,808.07x = 1,437,369.64 × 390,666.92
  4. Step 4: Simplify right side
    958,808.07x = 561,532,761,996.79
  5. Step 5: Solve for x
    x = 561,532,761,996.79/958,808.07
  6. Step 6: Final answer
    x = 585,657.11

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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.