Home / 760,737.86-1,049,851.05-421,206.14

Finding the Fourth Proportional to 760,737.86, 1,049,851.05 and 421,206.14

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Solution

The fourth proportional to 760,737.86, 1,049,851.05 and 421,206.14 is: 581,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,737.86 : 1,049,851.05 = 421,206.14 : x
  2. Step 2: Convert to fraction form
    760,737.86/1,049,851.05 = 421,206.14/x
  3. Step 3: Cross multiply
    760,737.86x = 1,049,851.05 × 421,206.14
  4. Step 4: Simplify right side
    760,737.86x = 442,203,708,345.45
  5. Step 5: Solve for x
    x = 442,203,708,345.45/760,737.86
  6. Step 6: Final answer
    x = 581,282.64

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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.