Home / 579,875.13-869,463.10-259,969.14

Finding the Fourth Proportional to 579,875.13, 869,463.10 and 259,969.14

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Solution

The fourth proportional to 579,875.13, 869,463.10 and 259,969.14 is: 389,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,875.13 : 869,463.10 = 259,969.14 : x
  2. Step 2: Convert to fraction form
    579,875.13/869,463.10 = 259,969.14/x
  3. Step 3: Cross multiply
    579,875.13x = 869,463.10 × 259,969.14
  4. Step 4: Simplify right side
    579,875.13x = 226,033,574,368.73
  5. Step 5: Solve for x
    x = 226,033,574,368.73/579,875.13
  6. Step 6: Final answer
    x = 389,796.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.