Home / 830,459.52-1,146,034.11-448,486.26

Finding the Fourth Proportional to 830,459.52, 1,146,034.11 and 448,486.26

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Solution

The fourth proportional to 830,459.52, 1,146,034.11 and 448,486.26 is: 618,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,459.52 : 1,146,034.11 = 448,486.26 : x
  2. Step 2: Convert to fraction form
    830,459.52/1,146,034.11 = 448,486.26/x
  3. Step 3: Cross multiply
    830,459.52x = 1,146,034.11 × 448,486.26
  4. Step 4: Simplify right side
    830,459.52x = 513,980,551,826.33
  5. Step 5: Solve for x
    x = 513,980,551,826.33/830,459.52
  6. Step 6: Final answer
    x = 618,911.02

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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.