Home / 942,342.42-1,300,431.54-512,621.53

Finding the Fourth Proportional to 942,342.42, 1,300,431.54 and 512,621.53

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Solution

The fourth proportional to 942,342.42, 1,300,431.54 and 512,621.53 is: 707,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,342.42 : 1,300,431.54 = 512,621.53 : x
  2. Step 2: Convert to fraction form
    942,342.42/1,300,431.54 = 512,621.53/x
  3. Step 3: Cross multiply
    942,342.42x = 1,300,431.54 × 512,621.53
  4. Step 4: Simplify right side
    942,342.42x = 666,629,204,366.31
  5. Step 5: Solve for x
    x = 666,629,204,366.31/942,342.42
  6. Step 6: Final answer
    x = 707,417.16

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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.