Home / 774,276.72-1,068,672.65-430,230.87

Finding the Fourth Proportional to 774,276.72, 1,068,672.65 and 430,230.87

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Solution

The fourth proportional to 774,276.72, 1,068,672.65 and 430,230.87 is: 593,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,276.72 : 1,068,672.65 = 430,230.87 : x
  2. Step 2: Convert to fraction form
    774,276.72/1,068,672.65 = 430,230.87/x
  3. Step 3: Cross multiply
    774,276.72x = 1,068,672.65 × 430,230.87
  4. Step 4: Simplify right side
    774,276.72x = 459,775,963,954.71
  5. Step 5: Solve for x
    x = 459,775,963,954.71/774,276.72
  6. Step 6: Final answer
    x = 593,813.49

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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.