Home / 890,355.09-1,228,750.29-503,036.16

Finding the Fourth Proportional to 890,355.09, 1,228,750.29 and 503,036.16

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Solution

The fourth proportional to 890,355.09, 1,228,750.29 and 503,036.16 is: 694,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,355.09 : 1,228,750.29 = 503,036.16 : x
  2. Step 2: Convert to fraction form
    890,355.09/1,228,750.29 = 503,036.16/x
  3. Step 3: Cross multiply
    890,355.09x = 1,228,750.29 × 503,036.16
  4. Step 4: Simplify right side
    890,355.09x = 618,105,827,480.49
  5. Step 5: Solve for x
    x = 618,105,827,480.49/890,355.09
  6. Step 6: Final answer
    x = 694,223.95

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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.