Home / 653,111.84-979,482.12-253,667.36

Finding the Fourth Proportional to 653,111.84, 979,482.12 and 253,667.36

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Solution

The fourth proportional to 653,111.84, 979,482.12 and 253,667.36 is: 380,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,111.84 : 979,482.12 = 253,667.36 : x
  2. Step 2: Convert to fraction form
    653,111.84/979,482.12 = 253,667.36/x
  3. Step 3: Cross multiply
    653,111.84x = 979,482.12 × 253,667.36
  4. Step 4: Simplify right side
    653,111.84x = 248,462,643,547.60
  5. Step 5: Solve for x
    x = 248,462,643,547.60/653,111.84
  6. Step 6: Final answer
    x = 380,428.94

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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.