Home / 677,215.07-934,567.35-371,319.38

Finding the Fourth Proportional to 677,215.07, 934,567.35 and 371,319.38

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Solution

The fourth proportional to 677,215.07, 934,567.35 and 371,319.38 is: 512,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,215.07 : 934,567.35 = 371,319.38 : x
  2. Step 2: Convert to fraction form
    677,215.07/934,567.35 = 371,319.38/x
  3. Step 3: Cross multiply
    677,215.07x = 934,567.35 × 371,319.38
  4. Step 4: Simplify right side
    677,215.07x = 347,022,968,970.24
  5. Step 5: Solve for x
    x = 347,022,968,970.24/677,215.07
  6. Step 6: Final answer
    x = 512,426.53

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1.5x scale

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.