Home / 691,805.70-1,037,902.95-336,831.30

Finding the Fourth Proportional to 691,805.70, 1,037,902.95 and 336,831.30

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Solution

The fourth proportional to 691,805.70, 1,037,902.95 and 336,831.30 is: 505,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,805.70 : 1,037,902.95 = 336,831.30 : x
  2. Step 2: Convert to fraction form
    691,805.70/1,037,902.95 = 336,831.30/x
  3. Step 3: Cross multiply
    691,805.70x = 1,037,902.95 × 336,831.30
  4. Step 4: Simplify right side
    691,805.70x = 349,598,199,922.34
  5. Step 5: Solve for x
    x = 349,598,199,922.34/691,805.70
  6. Step 6: Final answer
    x = 505,341.60

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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.