Home / 528,066.10-789,795.15-472,309.30

Finding the Fourth Proportional to 528,066.10, 789,795.15 and 472,309.30

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Solution

The fourth proportional to 528,066.10, 789,795.15 and 472,309.30 is: 706,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,066.10 : 789,795.15 = 472,309.30 : x
  2. Step 2: Convert to fraction form
    528,066.10/789,795.15 = 472,309.30/x
  3. Step 3: Cross multiply
    528,066.10x = 789,795.15 × 472,309.30
  4. Step 4: Simplify right side
    528,066.10x = 373,027,594,439.90
  5. Step 5: Solve for x
    x = 373,027,594,439.90/528,066.10
  6. Step 6: Final answer
    x = 706,403.22

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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.