Home / 760,419.36-1,139,621.40-404,667.36

Finding the Fourth Proportional to 760,419.36, 1,139,621.40 and 404,667.36

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Solution

The fourth proportional to 760,419.36, 1,139,621.40 and 404,667.36 is: 606,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,419.36 : 1,139,621.40 = 404,667.36 : x
  2. Step 2: Convert to fraction form
    760,419.36/1,139,621.40 = 404,667.36/x
  3. Step 3: Cross multiply
    760,419.36x = 1,139,621.40 × 404,667.36
  4. Step 4: Simplify right side
    760,419.36x = 461,167,583,337.50
  5. Step 5: Solve for x
    x = 461,167,583,337.50/760,419.36
  6. Step 6: Final answer
    x = 606,464.81

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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.