Home / 900,901.04-1,243,158.78-609,920.69

Finding the Fourth Proportional to 900,901.04, 1,243,158.78 and 609,920.69

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Solution

The fourth proportional to 900,901.04, 1,243,158.78 and 609,920.69 is: 841,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,901.04 : 1,243,158.78 = 609,920.69 : x
  2. Step 2: Convert to fraction form
    900,901.04/1,243,158.78 = 609,920.69/x
  3. Step 3: Cross multiply
    900,901.04x = 1,243,158.78 × 609,920.69
  4. Step 4: Simplify right side
    900,901.04x = 758,228,260,877.16
  5. Step 5: Solve for x
    x = 758,228,260,877.16/900,901.04
  6. Step 6: Final answer
    x = 841,633.24

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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.