Home / 912,931.40-1,370,234.10-463,964.60

Finding the Fourth Proportional to 912,931.40, 1,370,234.10 and 463,964.60

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Solution

The fourth proportional to 912,931.40, 1,370,234.10 and 463,964.60 is: 696,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,931.40 : 1,370,234.10 = 463,964.60 : x
  2. Step 2: Convert to fraction form
    912,931.40/1,370,234.10 = 463,964.60/x
  3. Step 3: Cross multiply
    912,931.40x = 1,370,234.10 × 463,964.60
  4. Step 4: Simplify right side
    912,931.40x = 635,740,116,112.86
  5. Step 5: Solve for x
    x = 635,740,116,112.86/912,931.40
  6. Step 6: Final answer
    x = 696,372.28

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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.