Home / 860,897.02-1,187,716.99-538,484.62

Finding the Fourth Proportional to 860,897.02, 1,187,716.99 and 538,484.62

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Solution

The fourth proportional to 860,897.02, 1,187,716.99 and 538,484.62 is: 742,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,897.02 : 1,187,716.99 = 538,484.62 : x
  2. Step 2: Convert to fraction form
    860,897.02/1,187,716.99 = 538,484.62/x
  3. Step 3: Cross multiply
    860,897.02x = 1,187,716.99 × 538,484.62
  4. Step 4: Simplify right side
    860,897.02x = 639,567,329,335.27
  5. Step 5: Solve for x
    x = 639,567,329,335.27/860,897.02
  6. Step 6: Final answer
    x = 742,908.05

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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.