Home / 676,248.22-1,012,762.32-391,338.19

Finding the Fourth Proportional to 676,248.22, 1,012,762.32 and 391,338.19

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Solution

The fourth proportional to 676,248.22, 1,012,762.32 and 391,338.19 is: 586,075.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,248.22 : 1,012,762.32 = 391,338.19 : x
  2. Step 2: Convert to fraction form
    676,248.22/1,012,762.32 = 391,338.19/x
  3. Step 3: Cross multiply
    676,248.22x = 1,012,762.32 × 391,338.19
  4. Step 4: Simplify right side
    676,248.22x = 396,332,573,209.00
  5. Step 5: Solve for x
    x = 396,332,573,209.00/676,248.22
  6. Step 6: Final answer
    x = 586,075.59

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1.5x scale

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.