Home / 690,026.04-1,035,089.28-216,707.40

Finding the Fourth Proportional to 690,026.04, 1,035,089.28 and 216,707.40

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Solution

The fourth proportional to 690,026.04, 1,035,089.28 and 216,707.40 is: 325,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,026.04 : 1,035,089.28 = 216,707.40 : x
  2. Step 2: Convert to fraction form
    690,026.04/1,035,089.28 = 216,707.40/x
  3. Step 3: Cross multiply
    690,026.04x = 1,035,089.28 × 216,707.40
  4. Step 4: Simplify right side
    690,026.04x = 224,311,506,636.67
  5. Step 5: Solve for x
    x = 224,311,506,636.67/690,026.04
  6. Step 6: Final answer
    x = 325,076.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.