Home / 742,279.08-1,024,317.66-402,740.04

Finding the Fourth Proportional to 742,279.08, 1,024,317.66 and 402,740.04

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Solution

The fourth proportional to 742,279.08, 1,024,317.66 and 402,740.04 is: 555,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,279.08 : 1,024,317.66 = 402,740.04 : x
  2. Step 2: Convert to fraction form
    742,279.08/1,024,317.66 = 402,740.04/x
  3. Step 3: Cross multiply
    742,279.08x = 1,024,317.66 × 402,740.04
  4. Step 4: Simplify right side
    742,279.08x = 412,533,735,361.11
  5. Step 5: Solve for x
    x = 412,533,735,361.11/742,279.08
  6. Step 6: Final answer
    x = 555,766.35

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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.