Home / 860,326.48-1,187,226.12-478,346.32

Finding the Fourth Proportional to 860,326.48, 1,187,226.12 and 478,346.32

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Solution

The fourth proportional to 860,326.48, 1,187,226.12 and 478,346.32 is: 660,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,326.48 : 1,187,226.12 = 478,346.32 : x
  2. Step 2: Convert to fraction form
    860,326.48/1,187,226.12 = 478,346.32/x
  3. Step 3: Cross multiply
    860,326.48x = 1,187,226.12 × 478,346.32
  4. Step 4: Simplify right side
    860,326.48x = 567,905,245,509.88
  5. Step 5: Solve for x
    x = 567,905,245,509.88/860,326.48
  6. Step 6: Final answer
    x = 660,104.34

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Double scale
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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.