Home / 401,459.04-552,622.92-346,986.36

Finding the Fourth Proportional to 401,459.04, 552,622.92 and 346,986.36

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Solution

The fourth proportional to 401,459.04, 552,622.92 and 346,986.36 is: 477,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,459.04 : 552,622.92 = 346,986.36 : x
  2. Step 2: Convert to fraction form
    401,459.04/552,622.92 = 346,986.36/x
  3. Step 3: Cross multiply
    401,459.04x = 552,622.92 × 346,986.36
  4. Step 4: Simplify right side
    401,459.04x = 191,752,615,463.37
  5. Step 5: Solve for x
    x = 191,752,615,463.37/401,459.04
  6. Step 6: Final answer
    x = 477,639.30

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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.