Home / 760,834.92-1,049,983.86-421,303.17

Finding the Fourth Proportional to 760,834.92, 1,049,983.86 and 421,303.17

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Solution

The fourth proportional to 760,834.92, 1,049,983.86 and 421,303.17 is: 581,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,834.92 : 1,049,983.86 = 421,303.17 : x
  2. Step 2: Convert to fraction form
    760,834.92/1,049,983.86 = 421,303.17/x
  3. Step 3: Cross multiply
    760,834.92x = 1,049,983.86 × 421,303.17
  4. Step 4: Simplify right side
    760,834.92x = 442,361,526,560.32
  5. Step 5: Solve for x
    x = 442,361,526,560.32/760,834.92
  6. Step 6: Final answer
    x = 581,415.91

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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.