Home / 692,307.60-1,038,461.40-392,672.40

Finding the Fourth Proportional to 692,307.60, 1,038,461.40 and 392,672.40

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Solution

The fourth proportional to 692,307.60, 1,038,461.40 and 392,672.40 is: 589,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,307.60 : 1,038,461.40 = 392,672.40 : x
  2. Step 2: Convert to fraction form
    692,307.60/1,038,461.40 = 392,672.40/x
  3. Step 3: Cross multiply
    692,307.60x = 1,038,461.40 × 392,672.40
  4. Step 4: Simplify right side
    692,307.60x = 407,775,130,245.36
  5. Step 5: Solve for x
    x = 407,775,130,245.36/692,307.60
  6. Step 6: Final answer
    x = 589,008.60

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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.