Home / 497,152.08-686,050.56-303,883.39

Finding the Fourth Proportional to 497,152.08, 686,050.56 and 303,883.39

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Solution

The fourth proportional to 497,152.08, 686,050.56 and 303,883.39 is: 419,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,152.08 : 686,050.56 = 303,883.39 : x
  2. Step 2: Convert to fraction form
    497,152.08/686,050.56 = 303,883.39/x
  3. Step 3: Cross multiply
    497,152.08x = 686,050.56 × 303,883.39
  4. Step 4: Simplify right side
    497,152.08x = 208,479,367,409.36
  5. Step 5: Solve for x
    x = 208,479,367,409.36/497,152.08
  6. Step 6: Final answer
    x = 419,347.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.