Home / 514,824.58-710,428.89-299,999.62

Finding the Fourth Proportional to 514,824.58, 710,428.89 and 299,999.62

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Solution

The fourth proportional to 514,824.58, 710,428.89 and 299,999.62 is: 413,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,824.58 : 710,428.89 = 299,999.62 : x
  2. Step 2: Convert to fraction form
    514,824.58/710,428.89 = 299,999.62/x
  3. Step 3: Cross multiply
    514,824.58x = 710,428.89 × 299,999.62
  4. Step 4: Simplify right side
    514,824.58x = 213,128,397,037.02
  5. Step 5: Solve for x
    x = 213,128,397,037.02/514,824.58
  6. Step 6: Final answer
    x = 413,982.56

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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.