Home / 742,114.51-1,024,119.99-402,582.76

Finding the Fourth Proportional to 742,114.51, 1,024,119.99 and 402,582.76

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Solution

The fourth proportional to 742,114.51, 1,024,119.99 and 402,582.76 is: 555,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,114.51 : 1,024,119.99 = 402,582.76 : x
  2. Step 2: Convert to fraction form
    742,114.51/1,024,119.99 = 402,582.76/x
  3. Step 3: Cross multiply
    742,114.51x = 1,024,119.99 × 402,582.76
  4. Step 4: Simplify right side
    742,114.51x = 412,293,049,585.07
  5. Step 5: Solve for x
    x = 412,293,049,585.07/742,114.51
  6. Step 6: Final answer
    x = 555,565.27

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Double scale
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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.