Home / 900,635.15-1,242,673.04-537,988.03

Finding the Fourth Proportional to 900,635.15, 1,242,673.04 and 537,988.03

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Solution

The fourth proportional to 900,635.15, 1,242,673.04 and 537,988.03 is: 742,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,635.15 : 1,242,673.04 = 537,988.03 : x
  2. Step 2: Convert to fraction form
    900,635.15/1,242,673.04 = 537,988.03/x
  3. Step 3: Cross multiply
    900,635.15x = 1,242,673.04 × 537,988.03
  4. Step 4: Simplify right side
    900,635.15x = 668,543,218,962.00
  5. Step 5: Solve for x
    x = 668,543,218,962.00/900,635.15
  6. Step 6: Final answer
    x = 742,301.94

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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.