Home / 910,116.32-1,255,964.64-502,223.36

Finding the Fourth Proportional to 910,116.32, 1,255,964.64 and 502,223.36

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Solution

The fourth proportional to 910,116.32, 1,255,964.64 and 502,223.36 is: 693,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,116.32 : 1,255,964.64 = 502,223.36 : x
  2. Step 2: Convert to fraction form
    910,116.32/1,255,964.64 = 502,223.36/x
  3. Step 3: Cross multiply
    910,116.32x = 1,255,964.64 × 502,223.36
  4. Step 4: Simplify right side
    910,116.32x = 630,774,781,541.99
  5. Step 5: Solve for x
    x = 630,774,781,541.99/910,116.32
  6. Step 6: Final answer
    x = 693,070.51

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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.