Home / 564,681.40-779,038.10-322,834.04

Finding the Fourth Proportional to 564,681.40, 779,038.10 and 322,834.04

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Solution

The fourth proportional to 564,681.40, 779,038.10 and 322,834.04 is: 445,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,681.40 : 779,038.10 = 322,834.04 : x
  2. Step 2: Convert to fraction form
    564,681.40/779,038.10 = 322,834.04/x
  3. Step 3: Cross multiply
    564,681.40x = 779,038.10 × 322,834.04
  4. Step 4: Simplify right side
    564,681.40x = 251,500,017,136.92
  5. Step 5: Solve for x
    x = 251,500,017,136.92/564,681.40
  6. Step 6: Final answer
    x = 445,383.92

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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.