Home / 390,032.20-583,881.90-366,963.40

Finding the Fourth Proportional to 390,032.20, 583,881.90 and 366,963.40

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Solution

The fourth proportional to 390,032.20, 583,881.90 and 366,963.40 is: 549,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,032.20 : 583,881.90 = 366,963.40 : x
  2. Step 2: Convert to fraction form
    390,032.20/583,881.90 = 366,963.40/x
  3. Step 3: Cross multiply
    390,032.20x = 583,881.90 × 366,963.40
  4. Step 4: Simplify right side
    390,032.20x = 214,263,287,222.46
  5. Step 5: Solve for x
    x = 214,263,287,222.46/390,032.20
  6. Step 6: Final answer
    x = 549,347.69

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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.