Home / 380,417.04-524,969.10-210,647.52

Finding the Fourth Proportional to 380,417.04, 524,969.10 and 210,647.52

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Solution

The fourth proportional to 380,417.04, 524,969.10 and 210,647.52 is: 290,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,417.04 : 524,969.10 = 210,647.52 : x
  2. Step 2: Convert to fraction form
    380,417.04/524,969.10 = 210,647.52/x
  3. Step 3: Cross multiply
    380,417.04x = 524,969.10 × 210,647.52
  4. Step 4: Simplify right side
    380,417.04x = 110,583,438,991.63
  5. Step 5: Solve for x
    x = 110,583,438,991.63/380,417.04
  6. Step 6: Final answer
    x = 290,690.03

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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.