Home / 866,038.10-1,299,420.45-385,935.14

Finding the Fourth Proportional to 866,038.10, 1,299,420.45 and 385,935.14

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Solution

The fourth proportional to 866,038.10, 1,299,420.45 and 385,935.14 is: 579,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,038.10 : 1,299,420.45 = 385,935.14 : x
  2. Step 2: Convert to fraction form
    866,038.10/1,299,420.45 = 385,935.14/x
  3. Step 3: Cross multiply
    866,038.10x = 1,299,420.45 × 385,935.14
  4. Step 4: Simplify right side
    866,038.10x = 501,492,016,538.16
  5. Step 5: Solve for x
    x = 501,492,016,538.16/866,038.10
  6. Step 6: Final answer
    x = 579,064.62

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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.