Home / 860,223.32-1,187,138.02-473,054.60

Finding the Fourth Proportional to 860,223.32, 1,187,138.02 and 473,054.60

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Solution

The fourth proportional to 860,223.32, 1,187,138.02 and 473,054.60 is: 652,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,223.32 : 1,187,138.02 = 473,054.60 : x
  2. Step 2: Convert to fraction form
    860,223.32/1,187,138.02 = 473,054.60/x
  3. Step 3: Cross multiply
    860,223.32x = 1,187,138.02 × 473,054.60
  4. Step 4: Simplify right side
    860,223.32x = 561,581,101,195.89
  5. Step 5: Solve for x
    x = 561,581,101,195.89/860,223.32
  6. Step 6: Final answer
    x = 652,831.76

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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.