Home / 691,666.68-1,037,607.36-292,309.20

Finding the Fourth Proportional to 691,666.68, 1,037,607.36 and 292,309.20

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Solution

The fourth proportional to 691,666.68, 1,037,607.36 and 292,309.20 is: 438,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,666.68 : 1,037,607.36 = 292,309.20 : x
  2. Step 2: Convert to fraction form
    691,666.68/1,037,607.36 = 292,309.20/x
  3. Step 3: Cross multiply
    691,666.68x = 1,037,607.36 × 292,309.20
  4. Step 4: Simplify right side
    691,666.68x = 303,302,177,315.71
  5. Step 5: Solve for x
    x = 303,302,177,315.71/691,666.68
  6. Step 6: Final answer
    x = 438,509.16

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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.