Home / 459,947.68-634,727.58-258,743.68

Finding the Fourth Proportional to 459,947.68, 634,727.58 and 258,743.68

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Solution

The fourth proportional to 459,947.68, 634,727.58 and 258,743.68 is: 357,066.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,947.68 : 634,727.58 = 258,743.68 : x
  2. Step 2: Convert to fraction form
    459,947.68/634,727.58 = 258,743.68/x
  3. Step 3: Cross multiply
    459,947.68x = 634,727.58 × 258,743.68
  4. Step 4: Simplify right side
    459,947.68x = 164,231,749,846.69
  5. Step 5: Solve for x
    x = 164,231,749,846.69/459,947.68
  6. Step 6: Final answer
    x = 357,066.16

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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.