Home / 821,333.80-1,133,428.66-458,762.77

Finding the Fourth Proportional to 821,333.80, 1,133,428.66 and 458,762.77

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Solution

The fourth proportional to 821,333.80, 1,133,428.66 and 458,762.77 is: 633,085.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,333.80 : 1,133,428.66 = 458,762.77 : x
  2. Step 2: Convert to fraction form
    821,333.80/1,133,428.66 = 458,762.77/x
  3. Step 3: Cross multiply
    821,333.80x = 1,133,428.66 × 458,762.77
  4. Step 4: Simplify right side
    821,333.80x = 519,974,871,658.99
  5. Step 5: Solve for x
    x = 519,974,871,658.99/821,333.80
  6. Step 6: Final answer
    x = 633,085.93

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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.