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Finding the Fourth Proportional to 553,370.30, 830,055.45 and 553,370.30

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Solution

The fourth proportional to 553,370.30, 830,055.45 and 553,370.30 is: 830,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,370.30 : 830,055.45 = 553,370.30 : x
  2. Step 2: Convert to fraction form
    553,370.30/830,055.45 = 553,370.30/x
  3. Step 3: Cross multiply
    553,370.30x = 830,055.45 × 553,370.30
  4. Step 4: Simplify right side
    553,370.30x = 459,328,033,383.14
  5. Step 5: Solve for x
    x = 459,328,033,383.14/553,370.30
  6. Step 6: Final answer
    x = 830,055.45

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Similar ratio
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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.