Home / 761,958.77-1,142,938.08-256,477.32

Finding the Fourth Proportional to 761,958.77, 1,142,938.08 and 256,477.32

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Solution

The fourth proportional to 761,958.77, 1,142,938.08 and 256,477.32 is: 384,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,958.77 : 1,142,938.08 = 256,477.32 : x
  2. Step 2: Convert to fraction form
    761,958.77/1,142,938.08 = 256,477.32/x
  3. Step 3: Cross multiply
    761,958.77x = 1,142,938.08 × 256,477.32
  4. Step 4: Simplify right side
    761,958.77x = 293,137,695,684.35
  5. Step 5: Solve for x
    x = 293,137,695,684.35/761,958.77
  6. Step 6: Final answer
    x = 384,715.96

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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.