Home / 903,914.72-1,355,340.48-342,988.64

Finding the Fourth Proportional to 903,914.72, 1,355,340.48 and 342,988.64

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Solution

The fourth proportional to 903,914.72, 1,355,340.48 and 342,988.64 is: 514,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,914.72 : 1,355,340.48 = 342,988.64 : x
  2. Step 2: Convert to fraction form
    903,914.72/1,355,340.48 = 342,988.64/x
  3. Step 3: Cross multiply
    903,914.72x = 1,355,340.48 × 342,988.64
  4. Step 4: Simplify right side
    903,914.72x = 464,866,387,972.15
  5. Step 5: Solve for x
    x = 464,866,387,972.15/903,914.72
  6. Step 6: Final answer
    x = 514,281.25

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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.