Home / 937,875.12-1,406,525.36-338,762.40

Finding the Fourth Proportional to 937,875.12, 1,406,525.36 and 338,762.40

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Solution

The fourth proportional to 937,875.12, 1,406,525.36 and 338,762.40 is: 508,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,875.12 : 1,406,525.36 = 338,762.40 : x
  2. Step 2: Convert to fraction form
    937,875.12/1,406,525.36 = 338,762.40/x
  3. Step 3: Cross multiply
    937,875.12x = 1,406,525.36 × 338,762.40
  4. Step 4: Simplify right side
    937,875.12x = 476,477,906,614.46
  5. Step 5: Solve for x
    x = 476,477,906,614.46/937,875.12
  6. Step 6: Final answer
    x = 508,039.82

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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.