Home / 760,888.45-1,141,752.72-424,118.66

Finding the Fourth Proportional to 760,888.45, 1,141,752.72 and 424,118.66

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Solution

The fourth proportional to 760,888.45, 1,141,752.72 and 424,118.66 is: 636,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,888.45 : 1,141,752.72 = 424,118.66 : x
  2. Step 2: Convert to fraction form
    760,888.45/1,141,752.72 = 424,118.66/x
  3. Step 3: Cross multiply
    760,888.45x = 1,141,752.72 × 424,118.66
  4. Step 4: Simplify right side
    760,888.45x = 484,238,633,657.76
  5. Step 5: Solve for x
    x = 484,238,633,657.76/760,888.45
  6. Step 6: Final answer
    x = 636,412.13

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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.