Home / 698,667.57-1,047,253.86-361,368.63

Finding the Fourth Proportional to 698,667.57, 1,047,253.86 and 361,368.63

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Solution

The fourth proportional to 698,667.57, 1,047,253.86 and 361,368.63 is: 541,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,667.57 : 1,047,253.86 = 361,368.63 : x
  2. Step 2: Convert to fraction form
    698,667.57/1,047,253.86 = 361,368.63/x
  3. Step 3: Cross multiply
    698,667.57x = 1,047,253.86 × 361,368.63
  4. Step 4: Simplify right side
    698,667.57x = 378,444,692,650.41
  5. Step 5: Solve for x
    x = 378,444,692,650.41/698,667.57
  6. Step 6: Final answer
    x = 541,666.32

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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.