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Finding the Fourth Proportional to 653,547.60, 978,943.68 and 298,860.12

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Solution

The fourth proportional to 653,547.60, 978,943.68 and 298,860.12 is: 447,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,547.60 : 978,943.68 = 298,860.12 : x
  2. Step 2: Convert to fraction form
    653,547.60/978,943.68 = 298,860.12/x
  3. Step 3: Cross multiply
    653,547.60x = 978,943.68 × 298,860.12
  4. Step 4: Simplify right side
    653,547.60x = 292,567,225,678.04
  5. Step 5: Solve for x
    x = 292,567,225,678.04/653,547.60
  6. Step 6: Final answer
    x = 447,660.16

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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.