Home / 691,799.18-1,037,643.38-307,666.98

Finding the Fourth Proportional to 691,799.18, 1,037,643.38 and 307,666.98

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Solution

The fourth proportional to 691,799.18, 1,037,643.38 and 307,666.98 is: 461,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,799.18 : 1,037,643.38 = 307,666.98 : x
  2. Step 2: Convert to fraction form
    691,799.18/1,037,643.38 = 307,666.98/x
  3. Step 3: Cross multiply
    691,799.18x = 1,037,643.38 × 307,666.98
  4. Step 4: Simplify right side
    691,799.18x = 319,248,605,041.59
  5. Step 5: Solve for x
    x = 319,248,605,041.59/691,799.18
  6. Step 6: Final answer
    x = 461,475.84

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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.