Home / 899,013.09-1,240,933.73-715,588.13

Finding the Fourth Proportional to 899,013.09, 1,240,933.73 and 715,588.13

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Solution

The fourth proportional to 899,013.09, 1,240,933.73 and 715,588.13 is: 987,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,013.09 : 1,240,933.73 = 715,588.13 : x
  2. Step 2: Convert to fraction form
    899,013.09/1,240,933.73 = 715,588.13/x
  3. Step 3: Cross multiply
    899,013.09x = 1,240,933.73 × 715,588.13
  4. Step 4: Simplify right side
    899,013.09x = 887,997,437,522.02
  5. Step 5: Solve for x
    x = 887,997,437,522.02/899,013.09
  6. Step 6: Final answer
    x = 987,746.95

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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.