Home / 774,468.90-1,068,753.60-430,308

Finding the Fourth Proportional to 774,468.90, 1,068,753.60 and 430,308

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Solution

The fourth proportional to 774,468.90, 1,068,753.60 and 430,308 is: 593,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,468.90 : 1,068,753.60 = 430,308 : x
  2. Step 2: Convert to fraction form
    774,468.90/1,068,753.60 = 430,308/x
  3. Step 3: Cross multiply
    774,468.90x = 1,068,753.60 × 430,308
  4. Step 4: Simplify right side
    774,468.90x = 459,893,224,108.80
  5. Step 5: Solve for x
    x = 459,893,224,108.80/774,468.90
  6. Step 6: Final answer
    x = 593,817.55

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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.