Home / 774,659.49-1,068,961.90-430,473.53

Finding the Fourth Proportional to 774,659.49, 1,068,961.90 and 430,473.53

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Solution

The fourth proportional to 774,659.49, 1,068,961.90 and 430,473.53 is: 594,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,659.49 : 1,068,961.90 = 430,473.53 : x
  2. Step 2: Convert to fraction form
    774,659.49/1,068,961.90 = 430,473.53/x
  3. Step 3: Cross multiply
    774,659.49x = 1,068,961.90 × 430,473.53
  4. Step 4: Simplify right side
    774,659.49x = 460,159,802,528.51
  5. Step 5: Solve for x
    x = 460,159,802,528.51/774,659.49
  6. Step 6: Final answer
    x = 594,015.58

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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.