Home / 760,862.08-1,140,534.85-380,622.06

Finding the Fourth Proportional to 760,862.08, 1,140,534.85 and 380,622.06

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Solution

The fourth proportional to 760,862.08, 1,140,534.85 and 380,622.06 is: 570,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,862.08 : 1,140,534.85 = 380,622.06 : x
  2. Step 2: Convert to fraction form
    760,862.08/1,140,534.85 = 380,622.06/x
  3. Step 3: Cross multiply
    760,862.08x = 1,140,534.85 × 380,622.06
  4. Step 4: Simplify right side
    760,862.08x = 434,112,727,078.66
  5. Step 5: Solve for x
    x = 434,112,727,078.66/760,862.08
  6. Step 6: Final answer
    x = 570,553.77

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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.