Home / 684,583.60-1,026,000.60-328,831.60

Finding the Fourth Proportional to 684,583.60, 1,026,000.60 and 328,831.60

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Solution

The fourth proportional to 684,583.60, 1,026,000.60 and 328,831.60 is: 492,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,583.60 : 1,026,000.60 = 328,831.60 : x
  2. Step 2: Convert to fraction form
    684,583.60/1,026,000.60 = 328,831.60/x
  3. Step 3: Cross multiply
    684,583.60x = 1,026,000.60 × 328,831.60
  4. Step 4: Simplify right side
    684,583.60x = 337,381,418,898.96
  5. Step 5: Solve for x
    x = 337,381,418,898.96/684,583.60
  6. Step 6: Final answer
    x = 492,827.20

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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.