Home / 985,989.62-1,479,148.02-346,127.49

Finding the Fourth Proportional to 985,989.62, 1,479,148.02 and 346,127.49

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Solution

The fourth proportional to 985,989.62, 1,479,148.02 and 346,127.49 is: 519,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,989.62 : 1,479,148.02 = 346,127.49 : x
  2. Step 2: Convert to fraction form
    985,989.62/1,479,148.02 = 346,127.49/x
  3. Step 3: Cross multiply
    985,989.62x = 1,479,148.02 × 346,127.49
  4. Step 4: Simplify right side
    985,989.62x = 511,973,791,501.07
  5. Step 5: Solve for x
    x = 511,973,791,501.07/985,989.62
  6. Step 6: Final answer
    x = 519,248.66

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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.