Home / 545,748.96-752,926.52-330,810.60

Finding the Fourth Proportional to 545,748.96, 752,926.52 and 330,810.60

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Solution

The fourth proportional to 545,748.96, 752,926.52 and 330,810.60 is: 456,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,748.96 : 752,926.52 = 330,810.60 : x
  2. Step 2: Convert to fraction form
    545,748.96/752,926.52 = 330,810.60/x
  3. Step 3: Cross multiply
    545,748.96x = 752,926.52 × 330,810.60
  4. Step 4: Simplify right side
    545,748.96x = 249,076,073,837.11
  5. Step 5: Solve for x
    x = 249,076,073,837.11/545,748.96
  6. Step 6: Final answer
    x = 456,393.13

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Double scale
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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.