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Finding the Fourth Proportional to 978,815.36, 1,350,809.70 and 570,925.28

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Solution

The fourth proportional to 978,815.36, 1,350,809.70 and 570,925.28 is: 787,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,815.36 : 1,350,809.70 = 570,925.28 : x
  2. Step 2: Convert to fraction form
    978,815.36/1,350,809.70 = 570,925.28/x
  3. Step 3: Cross multiply
    978,815.36x = 1,350,809.70 × 570,925.28
  4. Step 4: Simplify right side
    978,815.36x = 771,211,406,199.22
  5. Step 5: Solve for x
    x = 771,211,406,199.22/978,815.36
  6. Step 6: Final answer
    x = 787,902.84

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Why These Related Problems?

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