Home / 875,536.56-1,208,428.32-553,041.54

Finding the Fourth Proportional to 875,536.56, 1,208,428.32 and 553,041.54

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Solution

The fourth proportional to 875,536.56, 1,208,428.32 and 553,041.54 is: 763,315.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,536.56 : 1,208,428.32 = 553,041.54 : x
  2. Step 2: Convert to fraction form
    875,536.56/1,208,428.32 = 553,041.54/x
  3. Step 3: Cross multiply
    875,536.56x = 1,208,428.32 × 553,041.54
  4. Step 4: Simplify right side
    875,536.56x = 668,311,059,072.41
  5. Step 5: Solve for x
    x = 668,311,059,072.41/875,536.56
  6. Step 6: Final answer
    x = 763,315.99

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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.