Home / 760,176.81-1,049,043.86-416,012.96

Finding the Fourth Proportional to 760,176.81, 1,049,043.86 and 416,012.96

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Solution

The fourth proportional to 760,176.81, 1,049,043.86 and 416,012.96 is: 574,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,176.81 : 1,049,043.86 = 416,012.96 : x
  2. Step 2: Convert to fraction form
    760,176.81/1,049,043.86 = 416,012.96/x
  3. Step 3: Cross multiply
    760,176.81x = 1,049,043.86 × 416,012.96
  4. Step 4: Simplify right side
    760,176.81x = 436,415,838,306.22
  5. Step 5: Solve for x
    x = 436,415,838,306.22/760,176.81
  6. Step 6: Final answer
    x = 574,097.81

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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.