Home / 692,977.28-1,038,015.94-557,308

Finding the Fourth Proportional to 692,977.28, 1,038,015.94 and 557,308

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Solution

The fourth proportional to 692,977.28, 1,038,015.94 and 557,308 is: 834,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,977.28 : 1,038,015.94 = 557,308 : x
  2. Step 2: Convert to fraction form
    692,977.28/1,038,015.94 = 557,308/x
  3. Step 3: Cross multiply
    692,977.28x = 1,038,015.94 × 557,308
  4. Step 4: Simplify right side
    692,977.28x = 578,494,587,489.52
  5. Step 5: Solve for x
    x = 578,494,587,489.52/692,977.28
  6. Step 6: Final answer
    x = 834,795.89

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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.