Home / 692,436.60-1,038,509.10-293,090.40

Finding the Fourth Proportional to 692,436.60, 1,038,509.10 and 293,090.40

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Solution

The fourth proportional to 692,436.60, 1,038,509.10 and 293,090.40 is: 439,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,436.60 : 1,038,509.10 = 293,090.40 : x
  2. Step 2: Convert to fraction form
    692,436.60/1,038,509.10 = 293,090.40/x
  3. Step 3: Cross multiply
    692,436.60x = 1,038,509.10 × 293,090.40
  4. Step 4: Simplify right side
    692,436.60x = 304,377,047,522.64
  5. Step 5: Solve for x
    x = 304,377,047,522.64/692,436.60
  6. Step 6: Final answer
    x = 439,573.89

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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.