Home / 875,779.77-1,208,369.88-531,607.17

Finding the Fourth Proportional to 875,779.77, 1,208,369.88 and 531,607.17

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Solution

The fourth proportional to 875,779.77, 1,208,369.88 and 531,607.17 is: 733,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,779.77 : 1,208,369.88 = 531,607.17 : x
  2. Step 2: Convert to fraction form
    875,779.77/1,208,369.88 = 531,607.17/x
  3. Step 3: Cross multiply
    875,779.77x = 1,208,369.88 × 531,607.17
  4. Step 4: Simplify right side
    875,779.77x = 642,378,092,220.04
  5. Step 5: Solve for x
    x = 642,378,092,220.04/875,779.77
  6. Step 6: Final answer
    x = 733,492.73

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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.