Home / 915,325.86-1,263,742.58-588,784.89

Finding the Fourth Proportional to 915,325.86, 1,263,742.58 and 588,784.89

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Solution

The fourth proportional to 915,325.86, 1,263,742.58 and 588,784.89 is: 812,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,325.86 : 1,263,742.58 = 588,784.89 : x
  2. Step 2: Convert to fraction form
    915,325.86/1,263,742.58 = 588,784.89/x
  3. Step 3: Cross multiply
    915,325.86x = 1,263,742.58 × 588,784.89
  4. Step 4: Simplify right side
    915,325.86x = 744,072,537,425.58
  5. Step 5: Solve for x
    x = 744,072,537,425.58/915,325.86
  6. Step 6: Final answer
    x = 812,904.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.