Home / 578,408.20-867,612.30-365,831.80

Finding the Fourth Proportional to 578,408.20, 867,612.30 and 365,831.80

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Solution

The fourth proportional to 578,408.20, 867,612.30 and 365,831.80 is: 548,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,408.20 : 867,612.30 = 365,831.80 : x
  2. Step 2: Convert to fraction form
    578,408.20/867,612.30 = 365,831.80/x
  3. Step 3: Cross multiply
    578,408.20x = 867,612.30 × 365,831.80
  4. Step 4: Simplify right side
    578,408.20x = 317,400,169,411.14
  5. Step 5: Solve for x
    x = 317,400,169,411.14/578,408.20
  6. Step 6: Final answer
    x = 548,747.70

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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.