Home / 830,659.41-1,146,310.02-448,686.20

Finding the Fourth Proportional to 830,659.41, 1,146,310.02 and 448,686.20

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Solution

The fourth proportional to 830,659.41, 1,146,310.02 and 448,686.20 is: 619,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,659.41 : 1,146,310.02 = 448,686.20 : x
  2. Step 2: Convert to fraction form
    830,659.41/1,146,310.02 = 448,686.20/x
  3. Step 3: Cross multiply
    830,659.41x = 1,146,310.02 × 448,686.20
  4. Step 4: Simplify right side
    830,659.41x = 514,333,489,761.50
  5. Step 5: Solve for x
    x = 514,333,489,761.50/830,659.41
  6. Step 6: Final answer
    x = 619,186.98

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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.