Home / 742,323.72-1,024,168.67-415,588.71

Finding the Fourth Proportional to 742,323.72, 1,024,168.67 and 415,588.71

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Solution

The fourth proportional to 742,323.72, 1,024,168.67 and 415,588.71 is: 573,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,323.72 : 1,024,168.67 = 415,588.71 : x
  2. Step 2: Convert to fraction form
    742,323.72/1,024,168.67 = 415,588.71/x
  3. Step 3: Cross multiply
    742,323.72x = 1,024,168.67 × 415,588.71
  4. Step 4: Simplify right side
    742,323.72x = 425,632,938,853.07
  5. Step 5: Solve for x
    x = 425,632,938,853.07/742,323.72
  6. Step 6: Final answer
    x = 573,379.14

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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.