Home / 684,328.21-1,026,562.56-258,222.66

Finding the Fourth Proportional to 684,328.21, 1,026,562.56 and 258,222.66

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Solution

The fourth proportional to 684,328.21, 1,026,562.56 and 258,222.66 is: 387,360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,328.21 : 1,026,562.56 = 258,222.66 : x
  2. Step 2: Convert to fraction form
    684,328.21/1,026,562.56 = 258,222.66/x
  3. Step 3: Cross multiply
    684,328.21x = 1,026,562.56 × 258,222.66
  4. Step 4: Simplify right side
    684,328.21x = 265,081,714,899.61
  5. Step 5: Solve for x
    x = 265,081,714,899.61/684,328.21
  6. Step 6: Final answer
    x = 387,360.50

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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.