Home / 761,946.22-1,142,919.35-256,464.87

Finding the Fourth Proportional to 761,946.22, 1,142,919.35 and 256,464.87

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Solution

The fourth proportional to 761,946.22, 1,142,919.35 and 256,464.87 is: 384,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,946.22 : 1,142,919.35 = 256,464.87 : x
  2. Step 2: Convert to fraction form
    761,946.22/1,142,919.35 = 256,464.87/x
  3. Step 3: Cross multiply
    761,946.22x = 1,142,919.35 × 256,464.87
  4. Step 4: Simplify right side
    761,946.22x = 293,118,662,518.24
  5. Step 5: Solve for x
    x = 293,118,662,518.24/761,946.22
  6. Step 6: Final answer
    x = 384,697.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.