Home / 877,338.07-1,316,162.59-397,546.49

Finding the Fourth Proportional to 877,338.07, 1,316,162.59 and 397,546.49

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Solution

The fourth proportional to 877,338.07, 1,316,162.59 and 397,546.49 is: 596,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,338.07 : 1,316,162.59 = 397,546.49 : x
  2. Step 2: Convert to fraction form
    877,338.07/1,316,162.59 = 397,546.49/x
  3. Step 3: Cross multiply
    877,338.07x = 1,316,162.59 × 397,546.49
  4. Step 4: Simplify right side
    877,338.07x = 523,235,817,923.81
  5. Step 5: Solve for x
    x = 523,235,817,923.81/877,338.07
  6. Step 6: Final answer
    x = 596,390.19

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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.