Home / 771,113.08-1,064,169.31-426,949.01

Finding the Fourth Proportional to 771,113.08, 1,064,169.31 and 426,949.01

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Solution

The fourth proportional to 771,113.08, 1,064,169.31 and 426,949.01 is: 589,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,113.08 : 1,064,169.31 = 426,949.01 : x
  2. Step 2: Convert to fraction form
    771,113.08/1,064,169.31 = 426,949.01/x
  3. Step 3: Cross multiply
    771,113.08x = 1,064,169.31 × 426,949.01
  4. Step 4: Simplify right side
    771,113.08x = 454,346,030,435.71
  5. Step 5: Solve for x
    x = 454,346,030,435.71/771,113.08
  6. Step 6: Final answer
    x = 589,208.05

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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.