Home / 612,548.01-845,316.95-340,610.06

Finding the Fourth Proportional to 612,548.01, 845,316.95 and 340,610.06

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Solution

The fourth proportional to 612,548.01, 845,316.95 and 340,610.06 is: 470,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,548.01 : 845,316.95 = 340,610.06 : x
  2. Step 2: Convert to fraction form
    612,548.01/845,316.95 = 340,610.06/x
  3. Step 3: Cross multiply
    612,548.01x = 845,316.95 × 340,610.06
  4. Step 4: Simplify right side
    612,548.01x = 287,923,457,468.76
  5. Step 5: Solve for x
    x = 287,923,457,468.76/612,548.01
  6. Step 6: Final answer
    x = 470,042.27

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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.