Home / 760,543.76-1,049,550.62-421,012.01

Finding the Fourth Proportional to 760,543.76, 1,049,550.62 and 421,012.01

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Solution

The fourth proportional to 760,543.76, 1,049,550.62 and 421,012.01 is: 580,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,543.76 : 1,049,550.62 = 421,012.01 : x
  2. Step 2: Convert to fraction form
    760,543.76/1,049,550.62 = 421,012.01/x
  3. Step 3: Cross multiply
    760,543.76x = 1,049,550.62 × 421,012.01
  4. Step 4: Simplify right side
    760,543.76x = 441,873,416,641.76
  5. Step 5: Solve for x
    x = 441,873,416,641.76/760,543.76
  6. Step 6: Final answer
    x = 580,996.70

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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.