Home / 742,462.20-1,024,420.68-452,070.36

Finding the Fourth Proportional to 742,462.20, 1,024,420.68 and 452,070.36

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Solution

The fourth proportional to 742,462.20, 1,024,420.68 and 452,070.36 is: 623,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,462.20 : 1,024,420.68 = 452,070.36 : x
  2. Step 2: Convert to fraction form
    742,462.20/1,024,420.68 = 452,070.36/x
  3. Step 3: Cross multiply
    742,462.20x = 1,024,420.68 × 452,070.36
  4. Step 4: Simplify right side
    742,462.20x = 463,110,225,599.05
  5. Step 5: Solve for x
    x = 463,110,225,599.05/742,462.20
  6. Step 6: Final answer
    x = 623,749.23

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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.