Home / 860,202.47-1,187,109.72-473,047.31

Finding the Fourth Proportional to 860,202.47, 1,187,109.72 and 473,047.31

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Solution

The fourth proportional to 860,202.47, 1,187,109.72 and 473,047.31 is: 652,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,202.47 : 1,187,109.72 = 473,047.31 : x
  2. Step 2: Convert to fraction form
    860,202.47/1,187,109.72 = 473,047.31/x
  3. Step 3: Cross multiply
    860,202.47x = 1,187,109.72 × 473,047.31
  4. Step 4: Simplify right side
    860,202.47x = 561,559,053,785.31
  5. Step 5: Solve for x
    x = 561,559,053,785.31/860,202.47
  6. Step 6: Final answer
    x = 652,821.95

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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.