Home / 546,487.20-754,210.32-320,322.72

Finding the Fourth Proportional to 546,487.20, 754,210.32 and 320,322.72

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Solution

The fourth proportional to 546,487.20, 754,210.32 and 320,322.72 is: 442,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,487.20 : 754,210.32 = 320,322.72 : x
  2. Step 2: Convert to fraction form
    546,487.20/754,210.32 = 320,322.72/x
  3. Step 3: Cross multiply
    546,487.20x = 754,210.32 × 320,322.72
  4. Step 4: Simplify right side
    546,487.20x = 241,590,701,154.47
  5. Step 5: Solve for x
    x = 241,590,701,154.47/546,487.20
  6. Step 6: Final answer
    x = 442,079.34

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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.