Home / 791,012.07-1,185,531.21-385,870.32

Finding the Fourth Proportional to 791,012.07, 1,185,531.21 and 385,870.32

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Solution

The fourth proportional to 791,012.07, 1,185,531.21 and 385,870.32 is: 578,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,012.07 : 1,185,531.21 = 385,870.32 : x
  2. Step 2: Convert to fraction form
    791,012.07/1,185,531.21 = 385,870.32/x
  3. Step 3: Cross multiply
    791,012.07x = 1,185,531.21 × 385,870.32
  4. Step 4: Simplify right side
    791,012.07x = 457,461,307,372.69
  5. Step 5: Solve for x
    x = 457,461,307,372.69/791,012.07
  6. Step 6: Final answer
    x = 578,324.05

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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.