Home / 760,219.89-1,139,419.77-354,866.73

Finding the Fourth Proportional to 760,219.89, 1,139,419.77 and 354,866.73

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Solution

The fourth proportional to 760,219.89, 1,139,419.77 and 354,866.73 is: 531,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,219.89 : 1,139,419.77 = 354,866.73 : x
  2. Step 2: Convert to fraction form
    760,219.89/1,139,419.77 = 354,866.73/x
  3. Step 3: Cross multiply
    760,219.89x = 1,139,419.77 × 354,866.73
  4. Step 4: Simplify right side
    760,219.89x = 404,342,167,877.25
  5. Step 5: Solve for x
    x = 404,342,167,877.25/760,219.89
  6. Step 6: Final answer
    x = 531,875.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.