Home / 742,239.08-1,024,290-402,707.36

Finding the Fourth Proportional to 742,239.08, 1,024,290 and 402,707.36

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Solution

The fourth proportional to 742,239.08, 1,024,290 and 402,707.36 is: 555,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,239.08 : 1,024,290 = 402,707.36 : x
  2. Step 2: Convert to fraction form
    742,239.08/1,024,290 = 402,707.36/x
  3. Step 3: Cross multiply
    742,239.08x = 1,024,290 × 402,707.36
  4. Step 4: Simplify right side
    742,239.08x = 412,489,121,774.40
  5. Step 5: Solve for x
    x = 412,489,121,774.40/742,239.08
  6. Step 6: Final answer
    x = 555,736.19

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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.