Home / 760,098.15-1,140,480.99-286,672.86

Finding the Fourth Proportional to 760,098.15, 1,140,480.99 and 286,672.86

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Solution

The fourth proportional to 760,098.15, 1,140,480.99 and 286,672.86 is: 430,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,098.15 : 1,140,480.99 = 286,672.86 : x
  2. Step 2: Convert to fraction form
    760,098.15/1,140,480.99 = 286,672.86/x
  3. Step 3: Cross multiply
    760,098.15x = 1,140,480.99 × 286,672.86
  4. Step 4: Simplify right side
    760,098.15x = 326,944,947,178.93
  5. Step 5: Solve for x
    x = 326,944,947,178.93/760,098.15
  6. Step 6: Final answer
    x = 430,135.17

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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.