Home / 714,228.37-1,071,621.34-314,588.95

Finding the Fourth Proportional to 714,228.37, 1,071,621.34 and 314,588.95

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Solution

The fourth proportional to 714,228.37, 1,071,621.34 and 314,588.95 is: 472,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,228.37 : 1,071,621.34 = 314,588.95 : x
  2. Step 2: Convert to fraction form
    714,228.37/1,071,621.34 = 314,588.95/x
  3. Step 3: Cross multiply
    714,228.37x = 1,071,621.34 × 314,588.95
  4. Step 4: Simplify right side
    714,228.37x = 337,120,228,682.67
  5. Step 5: Solve for x
    x = 337,120,228,682.67/714,228.37
  6. Step 6: Final answer
    x = 472,006.22

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1.5x scale

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.