Home / 470,779.02-649,661.40-266,848.74

Finding the Fourth Proportional to 470,779.02, 649,661.40 and 266,848.74

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Solution

The fourth proportional to 470,779.02, 649,661.40 and 266,848.74 is: 368,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,779.02 : 649,661.40 = 266,848.74 : x
  2. Step 2: Convert to fraction form
    470,779.02/649,661.40 = 266,848.74/x
  3. Step 3: Cross multiply
    470,779.02x = 649,661.40 × 266,848.74
  4. Step 4: Simplify right side
    470,779.02x = 173,361,326,016.64
  5. Step 5: Solve for x
    x = 173,361,326,016.64/470,779.02
  6. Step 6: Final answer
    x = 368,243.53

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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.