Home / 810,038.55-1,117,015.91-695,695.80

Finding the Fourth Proportional to 810,038.55, 1,117,015.91 and 695,695.80

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Solution

The fourth proportional to 810,038.55, 1,117,015.91 and 695,695.80 is: 959,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,038.55 : 1,117,015.91 = 695,695.80 : x
  2. Step 2: Convert to fraction form
    810,038.55/1,117,015.91 = 695,695.80/x
  3. Step 3: Cross multiply
    810,038.55x = 1,117,015.91 × 695,695.80
  4. Step 4: Simplify right side
    810,038.55x = 777,103,277,120.18
  5. Step 5: Solve for x
    x = 777,103,277,120.18/810,038.55
  6. Step 6: Final answer
    x = 959,341.10

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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.