Home / 771,267.88-1,154,889.78-620,685.64

Finding the Fourth Proportional to 771,267.88, 1,154,889.78 and 620,685.64

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Solution

The fourth proportional to 771,267.88, 1,154,889.78 and 620,685.64 is: 929,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,267.88 : 1,154,889.78 = 620,685.64 : x
  2. Step 2: Convert to fraction form
    771,267.88/1,154,889.78 = 620,685.64/x
  3. Step 3: Cross multiply
    771,267.88x = 1,154,889.78 × 620,685.64
  4. Step 4: Simplify right side
    771,267.88x = 716,823,502,228.76
  5. Step 5: Solve for x
    x = 716,823,502,228.76/771,267.88
  6. Step 6: Final answer
    x = 929,409.25

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1.5x scale

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.