Home / 854,319.52-1,281,084.83-314,440.19

Finding the Fourth Proportional to 854,319.52, 1,281,084.83 and 314,440.19

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Solution

The fourth proportional to 854,319.52, 1,281,084.83 and 314,440.19 is: 471,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,319.52 : 1,281,084.83 = 314,440.19 : x
  2. Step 2: Convert to fraction form
    854,319.52/1,281,084.83 = 314,440.19/x
  3. Step 3: Cross multiply
    854,319.52x = 1,281,084.83 × 314,440.19
  4. Step 4: Simplify right side
    854,319.52x = 402,824,549,373.69
  5. Step 5: Solve for x
    x = 402,824,549,373.69/854,319.52
  6. Step 6: Final answer
    x = 471,515.10

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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.