Home / 860,322.96-1,187,230.32-478,341.36

Finding the Fourth Proportional to 860,322.96, 1,187,230.32 and 478,341.36

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Solution

The fourth proportional to 860,322.96, 1,187,230.32 and 478,341.36 is: 660,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,322.96 : 1,187,230.32 = 478,341.36 : x
  2. Step 2: Convert to fraction form
    860,322.96/1,187,230.32 = 478,341.36/x
  3. Step 3: Cross multiply
    860,322.96x = 1,187,230.32 × 478,341.36
  4. Step 4: Simplify right side
    860,322.96x = 567,901,365,902.04
  5. Step 5: Solve for x
    x = 567,901,365,902.04/860,322.96
  6. Step 6: Final answer
    x = 660,102.53

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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.