Home / 910,066.76-1,255,890.68-502,168.28

Finding the Fourth Proportional to 910,066.76, 1,255,890.68 and 502,168.28

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Solution

The fourth proportional to 910,066.76, 1,255,890.68 and 502,168.28 is: 692,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,066.76 : 1,255,890.68 = 502,168.28 : x
  2. Step 2: Convert to fraction form
    910,066.76/1,255,890.68 = 502,168.28/x
  3. Step 3: Cross multiply
    910,066.76x = 1,255,890.68 × 502,168.28
  4. Step 4: Simplify right side
    910,066.76x = 630,668,462,643.63
  5. Step 5: Solve for x
    x = 630,668,462,643.63/910,066.76
  6. Step 6: Final answer
    x = 692,991.43

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Double scale
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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.