Home / 788,426.25-1,088,028.36-430,730.25

Finding the Fourth Proportional to 788,426.25, 1,088,028.36 and 430,730.25

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Solution

The fourth proportional to 788,426.25, 1,088,028.36 and 430,730.25 is: 594,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,426.25 : 1,088,028.36 = 430,730.25 : x
  2. Step 2: Convert to fraction form
    788,426.25/1,088,028.36 = 430,730.25/x
  3. Step 3: Cross multiply
    788,426.25x = 1,088,028.36 × 430,730.25
  4. Step 4: Simplify right side
    788,426.25x = 468,646,727,509.89
  5. Step 5: Solve for x
    x = 468,646,727,509.89/788,426.25
  6. Step 6: Final answer
    x = 594,407.82

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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.