Home / 975,748.81-1,346,512.38-540,140.96

Finding the Fourth Proportional to 975,748.81, 1,346,512.38 and 540,140.96

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Solution

The fourth proportional to 975,748.81, 1,346,512.38 and 540,140.96 is: 745,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,748.81 : 1,346,512.38 = 540,140.96 : x
  2. Step 2: Convert to fraction form
    975,748.81/1,346,512.38 = 540,140.96/x
  3. Step 3: Cross multiply
    975,748.81x = 1,346,512.38 × 540,140.96
  4. Step 4: Simplify right side
    975,748.81x = 727,306,487,909.14
  5. Step 5: Solve for x
    x = 727,306,487,909.14/975,748.81
  6. Step 6: Final answer
    x = 745,382.91

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1.5x scale

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.