Home / 708,292.08-977,332.14-398,133.27

Finding the Fourth Proportional to 708,292.08, 977,332.14 and 398,133.27

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Solution

The fourth proportional to 708,292.08, 977,332.14 and 398,133.27 is: 549,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,292.08 : 977,332.14 = 398,133.27 : x
  2. Step 2: Convert to fraction form
    708,292.08/977,332.14 = 398,133.27/x
  3. Step 3: Cross multiply
    708,292.08x = 977,332.14 × 398,133.27
  4. Step 4: Simplify right side
    708,292.08x = 389,108,440,774.30
  5. Step 5: Solve for x
    x = 389,108,440,774.30/708,292.08
  6. Step 6: Final answer
    x = 549,361.56

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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.