Home / 774,792.81-1,069,241.49-430,635.60

Finding the Fourth Proportional to 774,792.81, 1,069,241.49 and 430,635.60

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Solution

The fourth proportional to 774,792.81, 1,069,241.49 and 430,635.60 is: 594,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,792.81 : 1,069,241.49 = 430,635.60 : x
  2. Step 2: Convert to fraction form
    774,792.81/1,069,241.49 = 430,635.60/x
  3. Step 3: Cross multiply
    774,792.81x = 1,069,241.49 × 430,635.60
  4. Step 4: Simplify right side
    774,792.81x = 460,453,450,591.04
  5. Step 5: Solve for x
    x = 460,453,450,591.04/774,792.81
  6. Step 6: Final answer
    x = 594,292.36

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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.