Home / 841,126.30-1,160,739.32-478,542.35

Finding the Fourth Proportional to 841,126.30, 1,160,739.32 and 478,542.35

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Solution

The fourth proportional to 841,126.30, 1,160,739.32 and 478,542.35 is: 660,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,126.30 : 1,160,739.32 = 478,542.35 : x
  2. Step 2: Convert to fraction form
    841,126.30/1,160,739.32 = 478,542.35/x
  3. Step 3: Cross multiply
    841,126.30x = 1,160,739.32 × 478,542.35
  4. Step 4: Simplify right side
    841,126.30x = 555,462,922,439.34
  5. Step 5: Solve for x
    x = 555,462,922,439.34/841,126.30
  6. Step 6: Final answer
    x = 660,379.93

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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.