Home / 900,956.04-1,242,888.57-556,667.55

Finding the Fourth Proportional to 900,956.04, 1,242,888.57 and 556,667.55

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Solution

The fourth proportional to 900,956.04, 1,242,888.57 and 556,667.55 is: 767,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,956.04 : 1,242,888.57 = 556,667.55 : x
  2. Step 2: Convert to fraction form
    900,956.04/1,242,888.57 = 556,667.55/x
  3. Step 3: Cross multiply
    900,956.04x = 1,242,888.57 × 556,667.55
  4. Step 4: Simplify right side
    900,956.04x = 691,875,735,184.90
  5. Step 5: Solve for x
    x = 691,875,735,184.90/900,956.04
  6. Step 6: Final answer
    x = 767,935.07

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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.