Home / 860,895.27-1,187,714.58-538,482.87

Finding the Fourth Proportional to 860,895.27, 1,187,714.58 and 538,482.87

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Solution

The fourth proportional to 860,895.27, 1,187,714.58 and 538,482.87 is: 742,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,895.27 : 1,187,714.58 = 538,482.87 : x
  2. Step 2: Convert to fraction form
    860,895.27/1,187,714.58 = 538,482.87/x
  3. Step 3: Cross multiply
    860,895.27x = 1,187,714.58 × 538,482.87
  4. Step 4: Simplify right side
    860,895.27x = 639,563,947,148.26
  5. Step 5: Solve for x
    x = 639,563,947,148.26/860,895.27
  6. Step 6: Final answer
    x = 742,905.64

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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.