Home / 900,959.04-1,242,892.71-556,670.55

Finding the Fourth Proportional to 900,959.04, 1,242,892.71 and 556,670.55

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Solution

The fourth proportional to 900,959.04, 1,242,892.71 and 556,670.55 is: 767,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,959.04 : 1,242,892.71 = 556,670.55 : x
  2. Step 2: Convert to fraction form
    900,959.04/1,242,892.71 = 556,670.55/x
  3. Step 3: Cross multiply
    900,959.04x = 1,242,892.71 × 556,670.55
  4. Step 4: Simplify right side
    900,959.04x = 691,881,768,466.69
  5. Step 5: Solve for x
    x = 691,881,768,466.69/900,959.04
  6. Step 6: Final answer
    x = 767,939.20

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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.