Home / 497,582.26-686,637.61-282,692.50

Finding the Fourth Proportional to 497,582.26, 686,637.61 and 282,692.50

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Solution

The fourth proportional to 497,582.26, 686,637.61 and 282,692.50 is: 390,100.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,582.26 : 686,637.61 = 282,692.50 : x
  2. Step 2: Convert to fraction form
    497,582.26/686,637.61 = 282,692.50/x
  3. Step 3: Cross multiply
    497,582.26x = 686,637.61 × 282,692.50
  4. Step 4: Simplify right side
    497,582.26x = 194,107,302,564.93
  5. Step 5: Solve for x
    x = 194,107,302,564.93/497,582.26
  6. Step 6: Final answer
    x = 390,100.93

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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.