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Finding the Fourth Proportional to 553,665.10, 830,497.65 and 465,091.60

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Solution

The fourth proportional to 553,665.10, 830,497.65 and 465,091.60 is: 697,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,665.10 : 830,497.65 = 465,091.60 : x
  2. Step 2: Convert to fraction form
    553,665.10/830,497.65 = 465,091.60/x
  3. Step 3: Cross multiply
    553,665.10x = 830,497.65 × 465,091.60
  4. Step 4: Simplify right side
    553,665.10x = 386,257,480,834.74
  5. Step 5: Solve for x
    x = 386,257,480,834.74/553,665.10
  6. Step 6: Final answer
    x = 697,637.40

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Similar ratio
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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.