Home / 646,316.01-969,024.33-286,291.40

Finding the Fourth Proportional to 646,316.01, 969,024.33 and 286,291.40

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Solution

The fourth proportional to 646,316.01, 969,024.33 and 286,291.40 is: 429,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,316.01 : 969,024.33 = 286,291.40 : x
  2. Step 2: Convert to fraction form
    646,316.01/969,024.33 = 286,291.40/x
  3. Step 3: Cross multiply
    646,316.01x = 969,024.33 × 286,291.40
  4. Step 4: Simplify right side
    646,316.01x = 277,423,327,224.64
  5. Step 5: Solve for x
    x = 277,423,327,224.64/646,316.01
  6. Step 6: Final answer
    x = 429,237.90

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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.