Home / 742,667.96-1,024,880.90-403,136.22

Finding the Fourth Proportional to 742,667.96, 1,024,880.90 and 403,136.22

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Solution

The fourth proportional to 742,667.96, 1,024,880.90 and 403,136.22 is: 556,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,667.96 : 1,024,880.90 = 403,136.22 : x
  2. Step 2: Convert to fraction form
    742,667.96/1,024,880.90 = 403,136.22/x
  3. Step 3: Cross multiply
    742,667.96x = 1,024,880.90 × 403,136.22
  4. Step 4: Simplify right side
    742,667.96x = 413,166,611,976.20
  5. Step 5: Solve for x
    x = 413,166,611,976.20/742,667.96
  6. Step 6: Final answer
    x = 556,327.50

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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.