Home / 942,500.15-1,300,655.84-512,783.34

Finding the Fourth Proportional to 942,500.15, 1,300,655.84 and 512,783.34

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Solution

The fourth proportional to 942,500.15, 1,300,655.84 and 512,783.34 is: 707,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,500.15 : 1,300,655.84 = 512,783.34 : x
  2. Step 2: Convert to fraction form
    942,500.15/1,300,655.84 = 512,783.34/x
  3. Step 3: Cross multiply
    942,500.15x = 1,300,655.84 × 512,783.34
  4. Step 4: Simplify right side
    942,500.15x = 666,954,643,261.79
  5. Step 5: Solve for x
    x = 666,954,643,261.79/942,500.15
  6. Step 6: Final answer
    x = 707,644.07

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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.