Home / 563,032.32-776,984.64-308,392.62

Finding the Fourth Proportional to 563,032.32, 776,984.64 and 308,392.62

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Solution

The fourth proportional to 563,032.32, 776,984.64 and 308,392.62 is: 425,581.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,032.32 : 776,984.64 = 308,392.62 : x
  2. Step 2: Convert to fraction form
    563,032.32/776,984.64 = 308,392.62/x
  3. Step 3: Cross multiply
    563,032.32x = 776,984.64 × 308,392.62
  4. Step 4: Simplify right side
    563,032.32x = 239,616,328,829.36
  5. Step 5: Solve for x
    x = 239,616,328,829.36/563,032.32
  6. Step 6: Final answer
    x = 425,581.84

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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.