Home / 766,813.50-1,058,281.36-460,988.89

Finding the Fourth Proportional to 766,813.50, 1,058,281.36 and 460,988.89

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Solution

The fourth proportional to 766,813.50, 1,058,281.36 and 460,988.89 is: 636,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,813.50 : 1,058,281.36 = 460,988.89 : x
  2. Step 2: Convert to fraction form
    766,813.50/1,058,281.36 = 460,988.89/x
  3. Step 3: Cross multiply
    766,813.50x = 1,058,281.36 × 460,988.89
  4. Step 4: Simplify right side
    766,813.50x = 487,855,949,454.09
  5. Step 5: Solve for x
    x = 487,855,949,454.09/766,813.50
  6. Step 6: Final answer
    x = 636,212.00

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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.