Home / 693,090.40-1,039,117.20-377,903.20

Finding the Fourth Proportional to 693,090.40, 1,039,117.20 and 377,903.20

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Solution

The fourth proportional to 693,090.40, 1,039,117.20 and 377,903.20 is: 566,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,090.40 : 1,039,117.20 = 377,903.20 : x
  2. Step 2: Convert to fraction form
    693,090.40/1,039,117.20 = 377,903.20/x
  3. Step 3: Cross multiply
    693,090.40x = 1,039,117.20 × 377,903.20
  4. Step 4: Simplify right side
    693,090.40x = 392,685,715,055.04
  5. Step 5: Solve for x
    x = 392,685,715,055.04/693,090.40
  6. Step 6: Final answer
    x = 566,572.15

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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.