Home / 791,570.14-1,186,650.48-286,018.36

Finding the Fourth Proportional to 791,570.14, 1,186,650.48 and 286,018.36

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Solution

The fourth proportional to 791,570.14, 1,186,650.48 and 286,018.36 is: 428,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,570.14 : 1,186,650.48 = 286,018.36 : x
  2. Step 2: Convert to fraction form
    791,570.14/1,186,650.48 = 286,018.36/x
  3. Step 3: Cross multiply
    791,570.14x = 1,186,650.48 × 286,018.36
  4. Step 4: Simplify right side
    791,570.14x = 339,403,824,182.81
  5. Step 5: Solve for x
    x = 339,403,824,182.81/791,570.14
  6. Step 6: Final answer
    x = 428,772.90

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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.