Home / 993,780.47-1,490,640.33-283,809.80

Finding the Fourth Proportional to 993,780.47, 1,490,640.33 and 283,809.80

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Solution

The fourth proportional to 993,780.47, 1,490,640.33 and 283,809.80 is: 425,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,780.47 : 1,490,640.33 = 283,809.80 : x
  2. Step 2: Convert to fraction form
    993,780.47/1,490,640.33 = 283,809.80/x
  3. Step 3: Cross multiply
    993,780.47x = 1,490,640.33 × 283,809.80
  4. Step 4: Simplify right side
    993,780.47x = 423,058,333,929.23
  5. Step 5: Solve for x
    x = 423,058,333,929.23/993,780.47
  6. Step 6: Final answer
    x = 425,706.03

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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.