Home / 760,871.43-1,141,529.36-340,048.89

Finding the Fourth Proportional to 760,871.43, 1,141,529.36 and 340,048.89

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Solution

The fourth proportional to 760,871.43, 1,141,529.36 and 340,048.89 is: 510,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,871.43 : 1,141,529.36 = 340,048.89 : x
  2. Step 2: Convert to fraction form
    760,871.43/1,141,529.36 = 340,048.89/x
  3. Step 3: Cross multiply
    760,871.43x = 1,141,529.36 × 340,048.89
  4. Step 4: Simplify right side
    760,871.43x = 388,175,790,070.17
  5. Step 5: Solve for x
    x = 388,175,790,070.17/760,871.43
  6. Step 6: Final answer
    x = 510,172.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.