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Finding the Fourth Proportional to 553,707.60, 830,561.40 and 553,707.60

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Solution

The fourth proportional to 553,707.60, 830,561.40 and 553,707.60 is: 830,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,707.60 : 830,561.40 = 553,707.60 : x
  2. Step 2: Convert to fraction form
    553,707.60/830,561.40 = 553,707.60/x
  3. Step 3: Cross multiply
    553,707.60x = 830,561.40 × 553,707.60
  4. Step 4: Simplify right side
    553,707.60x = 459,888,159,446.64
  5. Step 5: Solve for x
    x = 459,888,159,446.64/553,707.60
  6. Step 6: Final answer
    x = 830,561.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.