Home / 760,186.86-1,138,008.60-459,758.70

Finding the Fourth Proportional to 760,186.86, 1,138,008.60 and 459,758.70

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Solution

The fourth proportional to 760,186.86, 1,138,008.60 and 459,758.70 is: 688,264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,186.86 : 1,138,008.60 = 459,758.70 : x
  2. Step 2: Convert to fraction form
    760,186.86/1,138,008.60 = 459,758.70/x
  3. Step 3: Cross multiply
    760,186.86x = 1,138,008.60 × 459,758.70
  4. Step 4: Simplify right side
    760,186.86x = 523,209,354,524.82
  5. Step 5: Solve for x
    x = 523,209,354,524.82/760,186.86
  6. Step 6: Final answer
    x = 688,264.14

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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.