Home / 545,284.18-752,516.75-303,582.40

Finding the Fourth Proportional to 545,284.18, 752,516.75 and 303,582.40

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Solution

The fourth proportional to 545,284.18, 752,516.75 and 303,582.40 is: 418,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,284.18 : 752,516.75 = 303,582.40 : x
  2. Step 2: Convert to fraction form
    545,284.18/752,516.75 = 303,582.40/x
  3. Step 3: Cross multiply
    545,284.18x = 752,516.75 × 303,582.40
  4. Step 4: Simplify right side
    545,284.18x = 228,450,841,005.20
  5. Step 5: Solve for x
    x = 228,450,841,005.20/545,284.18
  6. Step 6: Final answer
    x = 418,957.40

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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.