Home / 545,336.17-752,369.10-315,768.13

Finding the Fourth Proportional to 545,336.17, 752,369.10 and 315,768.13

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Solution

The fourth proportional to 545,336.17, 752,369.10 and 315,768.13 is: 435,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,336.17 : 752,369.10 = 315,768.13 : x
  2. Step 2: Convert to fraction form
    545,336.17/752,369.10 = 315,768.13/x
  3. Step 3: Cross multiply
    545,336.17x = 752,369.10 × 315,768.13
  4. Step 4: Simplify right side
    545,336.17x = 237,574,183,776.78
  5. Step 5: Solve for x
    x = 237,574,183,776.78/545,336.17
  6. Step 6: Final answer
    x = 435,647.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.