Home / 915,455.01-1,372,952.75-435,386.55

Finding the Fourth Proportional to 915,455.01, 1,372,952.75 and 435,386.55

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Solution

The fourth proportional to 915,455.01, 1,372,952.75 and 435,386.55 is: 652,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,455.01 : 1,372,952.75 = 435,386.55 : x
  2. Step 2: Convert to fraction form
    915,455.01/1,372,952.75 = 435,386.55/x
  3. Step 3: Cross multiply
    915,455.01x = 1,372,952.75 × 435,386.55
  4. Step 4: Simplify right side
    915,455.01x = 597,765,158,958.58
  5. Step 5: Solve for x
    x = 597,765,158,958.58/915,455.01
  6. Step 6: Final answer
    x = 652,970.55

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1.5x scale

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.