Home / 836,455.04-1,154,312.72-492,303.88

Finding the Fourth Proportional to 836,455.04, 1,154,312.72 and 492,303.88

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Solution

The fourth proportional to 836,455.04, 1,154,312.72 and 492,303.88 is: 679,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,455.04 : 1,154,312.72 = 492,303.88 : x
  2. Step 2: Convert to fraction form
    836,455.04/1,154,312.72 = 492,303.88/x
  3. Step 3: Cross multiply
    836,455.04x = 1,154,312.72 × 492,303.88
  4. Step 4: Simplify right side
    836,455.04x = 568,272,630,789.35
  5. Step 5: Solve for x
    x = 568,272,630,789.35/836,455.04
  6. Step 6: Final answer
    x = 679,382.16

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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.