Home / 684,730.40-1,027,076.40-310,752.80

Finding the Fourth Proportional to 684,730.40, 1,027,076.40 and 310,752.80

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Solution

The fourth proportional to 684,730.40, 1,027,076.40 and 310,752.80 is: 466,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,730.40 : 1,027,076.40 = 310,752.80 : x
  2. Step 2: Convert to fraction form
    684,730.40/1,027,076.40 = 310,752.80/x
  3. Step 3: Cross multiply
    684,730.40x = 1,027,076.40 × 310,752.80
  4. Step 4: Simplify right side
    684,730.40x = 319,166,867,113.92
  5. Step 5: Solve for x
    x = 319,166,867,113.92/684,730.40
  6. Step 6: Final answer
    x = 466,120.49

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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.