Home / 860,325.48-1,187,224.74-478,345.32

Finding the Fourth Proportional to 860,325.48, 1,187,224.74 and 478,345.32

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Solution

The fourth proportional to 860,325.48, 1,187,224.74 and 478,345.32 is: 660,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,325.48 : 1,187,224.74 = 478,345.32 : x
  2. Step 2: Convert to fraction form
    860,325.48/1,187,224.74 = 478,345.32/x
  3. Step 3: Cross multiply
    860,325.48x = 1,187,224.74 × 478,345.32
  4. Step 4: Simplify right side
    860,325.48x = 567,903,398,167.22
  5. Step 5: Solve for x
    x = 567,903,398,167.22/860,325.48
  6. Step 6: Final answer
    x = 660,102.96

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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.