Home / 546,973.20-754,899.09-305,271.35

Finding the Fourth Proportional to 546,973.20, 754,899.09 and 305,271.35

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Solution

The fourth proportional to 546,973.20, 754,899.09 and 305,271.35 is: 421,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,973.20 : 754,899.09 = 305,271.35 : x
  2. Step 2: Convert to fraction form
    546,973.20/754,899.09 = 305,271.35/x
  3. Step 3: Cross multiply
    546,973.20x = 754,899.09 × 305,271.35
  4. Step 4: Simplify right side
    546,973.20x = 230,449,060,543.58
  5. Step 5: Solve for x
    x = 230,449,060,543.58/546,973.20
  6. Step 6: Final answer
    x = 421,316.91

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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.