Home / 692,804.40-1,038,688.20-377,617.20

Finding the Fourth Proportional to 692,804.40, 1,038,688.20 and 377,617.20

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Solution

The fourth proportional to 692,804.40, 1,038,688.20 and 377,617.20 is: 566,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,804.40 : 1,038,688.20 = 377,617.20 : x
  2. Step 2: Convert to fraction form
    692,804.40/1,038,688.20 = 377,617.20/x
  3. Step 3: Cross multiply
    692,804.40x = 1,038,688.20 × 377,617.20
  4. Step 4: Simplify right side
    692,804.40x = 392,226,529,757.04
  5. Step 5: Solve for x
    x = 392,226,529,757.04/692,804.40
  6. Step 6: Final answer
    x = 566,143.24

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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.