Home / 942,431.67-1,300,571.24-512,712.09

Finding the Fourth Proportional to 942,431.67, 1,300,571.24 and 512,712.09

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Solution

The fourth proportional to 942,431.67, 1,300,571.24 and 512,712.09 is: 707,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,431.67 : 1,300,571.24 = 512,712.09 : x
  2. Step 2: Convert to fraction form
    942,431.67/1,300,571.24 = 512,712.09/x
  3. Step 3: Cross multiply
    942,431.67x = 1,300,571.24 × 512,712.09
  4. Step 4: Simplify right side
    942,431.67x = 666,818,596,090.73
  5. Step 5: Solve for x
    x = 666,818,596,090.73/942,431.67
  6. Step 6: Final answer
    x = 707,551.13

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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.