Home / 900,638.16-1,242,677.18-537,991.04

Finding the Fourth Proportional to 900,638.16, 1,242,677.18 and 537,991.04

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Solution

The fourth proportional to 900,638.16, 1,242,677.18 and 537,991.04 is: 742,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,638.16 : 1,242,677.18 = 537,991.04 : x
  2. Step 2: Convert to fraction form
    900,638.16/1,242,677.18 = 537,991.04/x
  3. Step 3: Cross multiply
    900,638.16x = 1,242,677.18 × 537,991.04
  4. Step 4: Simplify right side
    900,638.16x = 668,549,179,549.13
  5. Step 5: Solve for x
    x = 668,549,179,549.13/900,638.16
  6. Step 6: Final answer
    x = 742,306.08

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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.