Home / 942,557.85-1,300,826.18-555,493.68

Finding the Fourth Proportional to 942,557.85, 1,300,826.18 and 555,493.68

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Solution

The fourth proportional to 942,557.85, 1,300,826.18 and 555,493.68 is: 766,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,557.85 : 1,300,826.18 = 555,493.68 : x
  2. Step 2: Convert to fraction form
    942,557.85/1,300,826.18 = 555,493.68/x
  3. Step 3: Cross multiply
    942,557.85x = 1,300,826.18 × 555,493.68
  4. Step 4: Simplify right side
    942,557.85x = 722,600,723,157.28
  5. Step 5: Solve for x
    x = 722,600,723,157.28/942,557.85
  6. Step 6: Final answer
    x = 766,638.06

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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.