Home / 692,283.60-1,038,425.40-392,648.40

Finding the Fourth Proportional to 692,283.60, 1,038,425.40 and 392,648.40

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Solution

The fourth proportional to 692,283.60, 1,038,425.40 and 392,648.40 is: 588,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,283.60 : 1,038,425.40 = 392,648.40 : x
  2. Step 2: Convert to fraction form
    692,283.60/1,038,425.40 = 392,648.40/x
  3. Step 3: Cross multiply
    692,283.60x = 1,038,425.40 × 392,648.40
  4. Step 4: Simplify right side
    692,283.60x = 407,736,071,829.36
  5. Step 5: Solve for x
    x = 407,736,071,829.36/692,283.60
  6. Step 6: Final answer
    x = 588,972.60

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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.