Home / 697,240.80-1,046,552.40-342,655.20

Finding the Fourth Proportional to 697,240.80, 1,046,552.40 and 342,655.20

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Solution

The fourth proportional to 697,240.80, 1,046,552.40 and 342,655.20 is: 514,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,240.80 : 1,046,552.40 = 342,655.20 : x
  2. Step 2: Convert to fraction form
    697,240.80/1,046,552.40 = 342,655.20/x
  3. Step 3: Cross multiply
    697,240.80x = 1,046,552.40 × 342,655.20
  4. Step 4: Simplify right side
    697,240.80x = 358,606,621,932.48
  5. Step 5: Solve for x
    x = 358,606,621,932.48/697,240.80
  6. Step 6: Final answer
    x = 514,322.49

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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.