Home / 742,533.20-1,024,698.84-403,001.84

Finding the Fourth Proportional to 742,533.20, 1,024,698.84 and 403,001.84

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Solution

The fourth proportional to 742,533.20, 1,024,698.84 and 403,001.84 is: 556,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,533.20 : 1,024,698.84 = 403,001.84 : x
  2. Step 2: Convert to fraction form
    742,533.20/1,024,698.84 = 403,001.84/x
  3. Step 3: Cross multiply
    742,533.20x = 1,024,698.84 × 403,001.84
  4. Step 4: Simplify right side
    742,533.20x = 412,955,517,965.87
  5. Step 5: Solve for x
    x = 412,955,517,965.87/742,533.20
  6. Step 6: Final answer
    x = 556,144.18

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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.