Home / 687,809.10-1,031,713.65-604,865.10

Finding the Fourth Proportional to 687,809.10, 1,031,713.65 and 604,865.10

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Solution

The fourth proportional to 687,809.10, 1,031,713.65 and 604,865.10 is: 907,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,809.10 : 1,031,713.65 = 604,865.10 : x
  2. Step 2: Convert to fraction form
    687,809.10/1,031,713.65 = 604,865.10/x
  3. Step 3: Cross multiply
    687,809.10x = 1,031,713.65 × 604,865.10
  4. Step 4: Simplify right side
    687,809.10x = 624,047,580,078.62
  5. Step 5: Solve for x
    x = 624,047,580,078.62/687,809.10
  6. Step 6: Final answer
    x = 907,297.65

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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.