Home / 684,888.40-1,027,313.40-310,910.80

Finding the Fourth Proportional to 684,888.40, 1,027,313.40 and 310,910.80

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Solution

The fourth proportional to 684,888.40, 1,027,313.40 and 310,910.80 is: 466,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,888.40 : 1,027,313.40 = 310,910.80 : x
  2. Step 2: Convert to fraction form
    684,888.40/1,027,313.40 = 310,910.80/x
  3. Step 3: Cross multiply
    684,888.40x = 1,027,313.40 × 310,910.80
  4. Step 4: Simplify right side
    684,888.40x = 319,402,831,044.72
  5. Step 5: Solve for x
    x = 319,402,831,044.72/684,888.40
  6. Step 6: Final answer
    x = 466,357.48

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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.