Home / 830,464.02-1,146,040.38-448,490.82

Finding the Fourth Proportional to 830,464.02, 1,146,040.38 and 448,490.82

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Solution

The fourth proportional to 830,464.02, 1,146,040.38 and 448,490.82 is: 618,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,464.02 : 1,146,040.38 = 448,490.82 : x
  2. Step 2: Convert to fraction form
    830,464.02/1,146,040.38 = 448,490.82/x
  3. Step 3: Cross multiply
    830,464.02x = 1,146,040.38 × 448,490.82
  4. Step 4: Simplify right side
    830,464.02x = 513,988,589,779.31
  5. Step 5: Solve for x
    x = 513,988,589,779.31/830,464.02
  6. Step 6: Final answer
    x = 618,917.35

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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.