Home / 774,577.35-1,068,895.42-430,404.38

Finding the Fourth Proportional to 774,577.35, 1,068,895.42 and 430,404.38

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Solution

The fourth proportional to 774,577.35, 1,068,895.42 and 430,404.38 is: 593,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,577.35 : 1,068,895.42 = 430,404.38 : x
  2. Step 2: Convert to fraction form
    774,577.35/1,068,895.42 = 430,404.38/x
  3. Step 3: Cross multiply
    774,577.35x = 1,068,895.42 × 430,404.38
  4. Step 4: Simplify right side
    774,577.35x = 460,057,270,529.94
  5. Step 5: Solve for x
    x = 460,057,270,529.94/774,577.35
  6. Step 6: Final answer
    x = 593,946.20

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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.