Home / 774,276.89-1,068,472.40-430,134.46

Finding the Fourth Proportional to 774,276.89, 1,068,472.40 and 430,134.46

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Solution

The fourth proportional to 774,276.89, 1,068,472.40 and 430,134.46 is: 593,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,276.89 : 1,068,472.40 = 430,134.46 : x
  2. Step 2: Convert to fraction form
    774,276.89/1,068,472.40 = 430,134.46/x
  3. Step 3: Cross multiply
    774,276.89x = 1,068,472.40 × 430,134.46
  4. Step 4: Simplify right side
    774,276.89x = 459,586,797,203.06
  5. Step 5: Solve for x
    x = 459,586,797,203.06/774,276.89
  6. Step 6: Final answer
    x = 593,569.05

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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.