Home / 771,102.92-1,064,155.28-426,938.85

Finding the Fourth Proportional to 771,102.92, 1,064,155.28 and 426,938.85

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Solution

The fourth proportional to 771,102.92, 1,064,155.28 and 426,938.85 is: 589,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,102.92 : 1,064,155.28 = 426,938.85 : x
  2. Step 2: Convert to fraction form
    771,102.92/1,064,155.28 = 426,938.85/x
  3. Step 3: Cross multiply
    771,102.92x = 1,064,155.28 × 426,938.85
  4. Step 4: Simplify right side
    771,102.92x = 454,329,235,477.12
  5. Step 5: Solve for x
    x = 454,329,235,477.12/771,102.92
  6. Step 6: Final answer
    x = 589,194.03

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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.