Home / 760,883.63-1,050,052.41-421,351.88

Finding the Fourth Proportional to 760,883.63, 1,050,052.41 and 421,351.88

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Solution

The fourth proportional to 760,883.63, 1,050,052.41 and 421,351.88 is: 581,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,883.63 : 1,050,052.41 = 421,351.88 : x
  2. Step 2: Convert to fraction form
    760,883.63/1,050,052.41 = 421,351.88/x
  3. Step 3: Cross multiply
    760,883.63x = 1,050,052.41 × 421,351.88
  4. Step 4: Simplify right side
    760,883.63x = 442,441,551,801.77
  5. Step 5: Solve for x
    x = 442,441,551,801.77/760,883.63
  6. Step 6: Final answer
    x = 581,483.87

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1.5x scale

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.