Home / 459,928.50-634,711.05-258,724.50

Finding the Fourth Proportional to 459,928.50, 634,711.05 and 258,724.50

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Solution

The fourth proportional to 459,928.50, 634,711.05 and 258,724.50 is: 357,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,928.50 : 634,711.05 = 258,724.50 : x
  2. Step 2: Convert to fraction form
    459,928.50/634,711.05 = 258,724.50/x
  3. Step 3: Cross multiply
    459,928.50x = 634,711.05 × 258,724.50
  4. Step 4: Simplify right side
    459,928.50x = 164,215,299,055.73
  5. Step 5: Solve for x
    x = 164,215,299,055.73/459,928.50
  6. Step 6: Final answer
    x = 357,045.28

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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.