Home / 459,869.69-634,077.36-314,745.50

Finding the Fourth Proportional to 459,869.69, 634,077.36 and 314,745.50

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Solution

The fourth proportional to 459,869.69, 634,077.36 and 314,745.50 is: 433,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,869.69 : 634,077.36 = 314,745.50 : x
  2. Step 2: Convert to fraction form
    459,869.69/634,077.36 = 314,745.50/x
  3. Step 3: Cross multiply
    459,869.69x = 634,077.36 × 314,745.50
  4. Step 4: Simplify right side
    459,869.69x = 199,572,992,541.49
  5. Step 5: Solve for x
    x = 199,572,992,541.49/459,869.69
  6. Step 6: Final answer
    x = 433,977.27

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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.