Home / 692,707.16-1,038,142.20-355,734.20

Finding the Fourth Proportional to 692,707.16, 1,038,142.20 and 355,734.20

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Solution

The fourth proportional to 692,707.16, 1,038,142.20 and 355,734.20 is: 533,129.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,707.16 : 1,038,142.20 = 355,734.20 : x
  2. Step 2: Convert to fraction form
    692,707.16/1,038,142.20 = 355,734.20/x
  3. Step 3: Cross multiply
    692,707.16x = 1,038,142.20 × 355,734.20
  4. Step 4: Simplify right side
    692,707.16x = 369,302,685,003.24
  5. Step 5: Solve for x
    x = 369,302,685,003.24/692,707.16
  6. Step 6: Final answer
    x = 533,129.59

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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.