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Finding the Fourth Proportional to 554,359.18, 765,015.72 and 299,710.30

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Solution

The fourth proportional to 554,359.18, 765,015.72 and 299,710.30 is: 413,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,359.18 : 765,015.72 = 299,710.30 : x
  2. Step 2: Convert to fraction form
    554,359.18/765,015.72 = 299,710.30/x
  3. Step 3: Cross multiply
    554,359.18x = 765,015.72 × 299,710.30
  4. Step 4: Simplify right side
    554,359.18x = 229,283,090,157.29
  5. Step 5: Solve for x
    x = 229,283,090,157.29/554,359.18
  6. Step 6: Final answer
    x = 413,600.24

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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.