Home / 670,852.49-1,003,739.46-397,445.54

Finding the Fourth Proportional to 670,852.49, 1,003,739.46 and 397,445.54

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Solution

The fourth proportional to 670,852.49, 1,003,739.46 and 397,445.54 is: 594,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,852.49 : 1,003,739.46 = 397,445.54 : x
  2. Step 2: Convert to fraction form
    670,852.49/1,003,739.46 = 397,445.54/x
  3. Step 3: Cross multiply
    670,852.49x = 1,003,739.46 × 397,445.54
  4. Step 4: Simplify right side
    670,852.49x = 398,931,766,680.31
  5. Step 5: Solve for x
    x = 398,931,766,680.31/670,852.49
  6. Step 6: Final answer
    x = 594,663.92

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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.