Home / 704,225.08-971,741.28-417,689.20

Finding the Fourth Proportional to 704,225.08, 971,741.28 and 417,689.20

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Solution

The fourth proportional to 704,225.08, 971,741.28 and 417,689.20 is: 576,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,225.08 : 971,741.28 = 417,689.20 : x
  2. Step 2: Convert to fraction form
    704,225.08/971,741.28 = 417,689.20/x
  3. Step 3: Cross multiply
    704,225.08x = 971,741.28 × 417,689.20
  4. Step 4: Simplify right side
    704,225.08x = 405,885,837,850.18
  5. Step 5: Solve for x
    x = 405,885,837,850.18/704,225.08
  6. Step 6: Final answer
    x = 576,358.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.