Home / 942,066.58-1,300,039.32-512,337.46

Finding the Fourth Proportional to 942,066.58, 1,300,039.32 and 512,337.46

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Solution

The fourth proportional to 942,066.58, 1,300,039.32 and 512,337.46 is: 707,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,066.58 : 1,300,039.32 = 512,337.46 : x
  2. Step 2: Convert to fraction form
    942,066.58/1,300,039.32 = 512,337.46/x
  3. Step 3: Cross multiply
    942,066.58x = 1,300,039.32 × 512,337.46
  4. Step 4: Simplify right side
    942,066.58x = 666,058,843,108.93
  5. Step 5: Solve for x
    x = 666,058,843,108.93/942,066.58
  6. Step 6: Final answer
    x = 707,018.86

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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.