Home / 563,290.36-777,341.16-308,641.54

Finding the Fourth Proportional to 563,290.36, 777,341.16 and 308,641.54

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Solution

The fourth proportional to 563,290.36, 777,341.16 and 308,641.54 is: 425,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,290.36 : 777,341.16 = 308,641.54 : x
  2. Step 2: Convert to fraction form
    563,290.36/777,341.16 = 308,641.54/x
  3. Step 3: Cross multiply
    563,290.36x = 777,341.16 × 308,641.54
  4. Step 4: Simplify right side
    563,290.36x = 239,919,772,727.79
  5. Step 5: Solve for x
    x = 239,919,772,727.79/563,290.36
  6. Step 6: Final answer
    x = 425,925.58

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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.