Home / 697,231.80-1,046,538.90-342,646.20

Finding the Fourth Proportional to 697,231.80, 1,046,538.90 and 342,646.20

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Solution

The fourth proportional to 697,231.80, 1,046,538.90 and 342,646.20 is: 514,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,231.80 : 1,046,538.90 = 342,646.20 : x
  2. Step 2: Convert to fraction form
    697,231.80/1,046,538.90 = 342,646.20/x
  3. Step 3: Cross multiply
    697,231.80x = 1,046,538.90 × 342,646.20
  4. Step 4: Simplify right side
    697,231.80x = 358,592,577,237.18
  5. Step 5: Solve for x
    x = 358,592,577,237.18/697,231.80
  6. Step 6: Final answer
    x = 514,308.98

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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.