Home / 894,300.12-1,234,133.28-512,328.42

Finding the Fourth Proportional to 894,300.12, 1,234,133.28 and 512,328.42

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Solution

The fourth proportional to 894,300.12, 1,234,133.28 and 512,328.42 is: 707,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,300.12 : 1,234,133.28 = 512,328.42 : x
  2. Step 2: Convert to fraction form
    894,300.12/1,234,133.28 = 512,328.42/x
  3. Step 3: Cross multiply
    894,300.12x = 1,234,133.28 × 512,328.42
  4. Step 4: Simplify right side
    894,300.12x = 632,281,553,411.82
  5. Step 5: Solve for x
    x = 632,281,553,411.82/894,300.12
  6. Step 6: Final answer
    x = 707,012.71

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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.