Home / 744,420.80-1,116,631.20-710,206.40

Finding the Fourth Proportional to 744,420.80, 1,116,631.20 and 710,206.40

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Solution

The fourth proportional to 744,420.80, 1,116,631.20 and 710,206.40 is: 1,065,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,420.80 : 1,116,631.20 = 710,206.40 : x
  2. Step 2: Convert to fraction form
    744,420.80/1,116,631.20 = 710,206.40/x
  3. Step 3: Cross multiply
    744,420.80x = 1,116,631.20 × 710,206.40
  4. Step 4: Simplify right side
    744,420.80x = 793,038,624,679.68
  5. Step 5: Solve for x
    x = 793,038,624,679.68/744,420.80
  6. Step 6: Final answer
    x = 1,065,309.60

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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.