Home / 659,848.31-910,379.04-369,417.20

Finding the Fourth Proportional to 659,848.31, 910,379.04 and 369,417.20

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Solution

The fourth proportional to 659,848.31, 910,379.04 and 369,417.20 is: 509,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,848.31 : 910,379.04 = 369,417.20 : x
  2. Step 2: Convert to fraction form
    659,848.31/910,379.04 = 369,417.20/x
  3. Step 3: Cross multiply
    659,848.31x = 910,379.04 × 369,417.20
  4. Step 4: Simplify right side
    659,848.31x = 336,309,675,895.49
  5. Step 5: Solve for x
    x = 336,309,675,895.49/659,848.31
  6. Step 6: Final answer
    x = 509,677.26

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1.5x scale

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.