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Finding the Fourth Proportional to 760,359.88, 1,049,179.62 and 438,007

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Solution

The fourth proportional to 760,359.88, 1,049,179.62 and 438,007 is: 604,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,359.88 : 1,049,179.62 = 438,007 : x
  2. Step 2: Convert to fraction form
    760,359.88/1,049,179.62 = 438,007/x
  3. Step 3: Cross multiply
    760,359.88x = 1,049,179.62 × 438,007
  4. Step 4: Simplify right side
    760,359.88x = 459,548,017,817.34
  5. Step 5: Solve for x
    x = 459,548,017,817.34/760,359.88
  6. Step 6: Final answer
    x = 604,382.25

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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.