Home / 545,746.41-753,097.25-303,985.86

Finding the Fourth Proportional to 545,746.41, 753,097.25 and 303,985.86

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Solution

The fourth proportional to 545,746.41, 753,097.25 and 303,985.86 is: 419,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,746.41 : 753,097.25 = 303,985.86 : x
  2. Step 2: Convert to fraction form
    545,746.41/753,097.25 = 303,985.86/x
  3. Step 3: Cross multiply
    545,746.41x = 753,097.25 × 303,985.86
  4. Step 4: Simplify right side
    545,746.41x = 228,930,915,666.99
  5. Step 5: Solve for x
    x = 228,930,915,666.99/545,746.41
  6. Step 6: Final answer
    x = 419,482.22

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Double scale
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Similar ratio
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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.