Home / 692,512.80-1,038,769.20-650,522.40

Finding the Fourth Proportional to 692,512.80, 1,038,769.20 and 650,522.40

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Solution

The fourth proportional to 692,512.80, 1,038,769.20 and 650,522.40 is: 975,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,512.80 : 1,038,769.20 = 650,522.40 : x
  2. Step 2: Convert to fraction form
    692,512.80/1,038,769.20 = 650,522.40/x
  3. Step 3: Cross multiply
    692,512.80x = 1,038,769.20 × 650,522.40
  4. Step 4: Simplify right side
    692,512.80x = 675,742,633,030.08
  5. Step 5: Solve for x
    x = 675,742,633,030.08/692,512.80
  6. Step 6: Final answer
    x = 975,783.60

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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.