Home / 763,291.65-1,145,020.51-283,463.16

Finding the Fourth Proportional to 763,291.65, 1,145,020.51 and 283,463.16

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Solution

The fourth proportional to 763,291.65, 1,145,020.51 and 283,463.16 is: 425,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,291.65 : 1,145,020.51 = 283,463.16 : x
  2. Step 2: Convert to fraction form
    763,291.65/1,145,020.51 = 283,463.16/x
  3. Step 3: Cross multiply
    763,291.65x = 1,145,020.51 × 283,463.16
  4. Step 4: Simplify right side
    763,291.65x = 324,571,136,248.36
  5. Step 5: Solve for x
    x = 324,571,136,248.36/763,291.65
  6. Step 6: Final answer
    x = 425,225.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.