Home / 690,897.77-1,035,083.66-500,887.57

Finding the Fourth Proportional to 690,897.77, 1,035,083.66 and 500,887.57

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Solution

The fourth proportional to 690,897.77, 1,035,083.66 and 500,887.57 is: 750,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,897.77 : 1,035,083.66 = 500,887.57 : x
  2. Step 2: Convert to fraction form
    690,897.77/1,035,083.66 = 500,887.57/x
  3. Step 3: Cross multiply
    690,897.77x = 1,035,083.66 × 500,887.57
  4. Step 4: Simplify right side
    690,897.77x = 518,460,531,524.25
  5. Step 5: Solve for x
    x = 518,460,531,524.25/690,897.77
  6. Step 6: Final answer
    x = 750,415.70

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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.