Home / 854,319.02-1,281,084.08-314,439.68

Finding the Fourth Proportional to 854,319.02, 1,281,084.08 and 314,439.68

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Solution

The fourth proportional to 854,319.02, 1,281,084.08 and 314,439.68 is: 471,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,319.02 : 1,281,084.08 = 314,439.68 : x
  2. Step 2: Convert to fraction form
    854,319.02/1,281,084.08 = 314,439.68/x
  3. Step 3: Cross multiply
    854,319.02x = 1,281,084.08 × 314,439.68
  4. Step 4: Simplify right side
    854,319.02x = 402,823,669,798.81
  5. Step 5: Solve for x
    x = 402,823,669,798.81/854,319.02
  6. Step 6: Final answer
    x = 471,514.34

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Double scale
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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.