Home / 691,815.40-1,037,147.10-292,762.60

Finding the Fourth Proportional to 691,815.40, 1,037,147.10 and 292,762.60

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Solution

The fourth proportional to 691,815.40, 1,037,147.10 and 292,762.60 is: 438,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,815.40 : 1,037,147.10 = 292,762.60 : x
  2. Step 2: Convert to fraction form
    691,815.40/1,037,147.10 = 292,762.60/x
  3. Step 3: Cross multiply
    691,815.40x = 1,037,147.10 × 292,762.60
  4. Step 4: Simplify right side
    691,815.40x = 303,637,881,578.46
  5. Step 5: Solve for x
    x = 303,637,881,578.46/691,815.40
  6. Step 6: Final answer
    x = 438,900.15

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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.