Home / 742,421.01-1,024,011.72-681,364.01

Finding the Fourth Proportional to 742,421.01, 1,024,011.72 and 681,364.01

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Solution

The fourth proportional to 742,421.01, 1,024,011.72 and 681,364.01 is: 939,796.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,421.01 : 1,024,011.72 = 681,364.01 : x
  2. Step 2: Convert to fraction form
    742,421.01/1,024,011.72 = 681,364.01/x
  3. Step 3: Cross multiply
    742,421.01x = 1,024,011.72 × 681,364.01
  4. Step 4: Simplify right side
    742,421.01x = 697,724,726,706.14
  5. Step 5: Solve for x
    x = 697,724,726,706.14/742,421.01
  6. Step 6: Final answer
    x = 939,796.58

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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.