Home / 760,564.28-1,049,271.31-438,101.66

Finding the Fourth Proportional to 760,564.28, 1,049,271.31 and 438,101.66

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Solution

The fourth proportional to 760,564.28, 1,049,271.31 and 438,101.66 is: 604,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,564.28 : 1,049,271.31 = 438,101.66 : x
  2. Step 2: Convert to fraction form
    760,564.28/1,049,271.31 = 438,101.66/x
  3. Step 3: Cross multiply
    760,564.28x = 1,049,271.31 × 438,101.66
  4. Step 4: Simplify right side
    760,564.28x = 459,687,502,701.38
  5. Step 5: Solve for x
    x = 459,687,502,701.38/760,564.28
  6. Step 6: Final answer
    x = 604,403.22

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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.