Home / 508,723.30-763,430.55-284,083.30

Finding the Fourth Proportional to 508,723.30, 763,430.55 and 284,083.30

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Solution

The fourth proportional to 508,723.30, 763,430.55 and 284,083.30 is: 426,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,723.30 : 763,430.55 = 284,083.30 : x
  2. Step 2: Convert to fraction form
    508,723.30/763,430.55 = 284,083.30/x
  3. Step 3: Cross multiply
    508,723.30x = 763,430.55 × 284,083.30
  4. Step 4: Simplify right side
    508,723.30x = 216,877,869,964.82
  5. Step 5: Solve for x
    x = 216,877,869,964.82/508,723.30
  6. Step 6: Final answer
    x = 426,317.94

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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.