Home / 684,264.20-1,025,725.95-380,803.10

Finding the Fourth Proportional to 684,264.20, 1,025,725.95 and 380,803.10

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Solution

The fourth proportional to 684,264.20, 1,025,725.95 and 380,803.10 is: 570,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,264.20 : 1,025,725.95 = 380,803.10 : x
  2. Step 2: Convert to fraction form
    684,264.20/1,025,725.95 = 380,803.10/x
  3. Step 3: Cross multiply
    684,264.20x = 1,025,725.95 × 380,803.10
  4. Step 4: Simplify right side
    684,264.20x = 390,599,616,381.82
  5. Step 5: Solve for x
    x = 390,599,616,381.82/684,264.20
  6. Step 6: Final answer
    x = 570,831.59

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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.