Home / 774,276.60-1,068,672.48-430,230.74

Finding the Fourth Proportional to 774,276.60, 1,068,672.48 and 430,230.74

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Solution

The fourth proportional to 774,276.60, 1,068,672.48 and 430,230.74 is: 593,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,276.60 : 1,068,672.48 = 430,230.74 : x
  2. Step 2: Convert to fraction form
    774,276.60/1,068,672.48 = 430,230.74/x
  3. Step 3: Cross multiply
    774,276.60x = 1,068,672.48 × 430,230.74
  4. Step 4: Simplify right side
    774,276.60x = 459,775,751,888.04
  5. Step 5: Solve for x
    x = 459,775,751,888.04/774,276.60
  6. Step 6: Final answer
    x = 593,813.31

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Double scale
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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.