Home / 669,529.79-1,007,914.35-609,941.22

Finding the Fourth Proportional to 669,529.79, 1,007,914.35 and 609,941.22

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Solution

The fourth proportional to 669,529.79, 1,007,914.35 and 609,941.22 is: 918,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,529.79 : 1,007,914.35 = 609,941.22 : x
  2. Step 2: Convert to fraction form
    669,529.79/1,007,914.35 = 609,941.22/x
  3. Step 3: Cross multiply
    669,529.79x = 1,007,914.35 × 609,941.22
  4. Step 4: Simplify right side
    669,529.79x = 614,768,508,294.51
  5. Step 5: Solve for x
    x = 614,768,508,294.51/669,529.79
  6. Step 6: Final answer
    x = 918,209.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.