Home / 708,603.39-977,875.74-454,102.20

Finding the Fourth Proportional to 708,603.39, 977,875.74 and 454,102.20

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Solution

The fourth proportional to 708,603.39, 977,875.74 and 454,102.20 is: 626,663.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,603.39 : 977,875.74 = 454,102.20 : x
  2. Step 2: Convert to fraction form
    708,603.39/977,875.74 = 454,102.20/x
  3. Step 3: Cross multiply
    708,603.39x = 977,875.74 × 454,102.20
  4. Step 4: Simplify right side
    708,603.39x = 444,055,524,860.63
  5. Step 5: Solve for x
    x = 444,055,524,860.63/708,603.39
  6. Step 6: Final answer
    x = 626,663.00

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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.