Home / 761,474.40-1,050,701.43-434,638.18

Finding the Fourth Proportional to 761,474.40, 1,050,701.43 and 434,638.18

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Solution

The fourth proportional to 761,474.40, 1,050,701.43 and 434,638.18 is: 599,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,474.40 : 1,050,701.43 = 434,638.18 : x
  2. Step 2: Convert to fraction form
    761,474.40/1,050,701.43 = 434,638.18/x
  3. Step 3: Cross multiply
    761,474.40x = 1,050,701.43 × 434,638.18
  4. Step 4: Simplify right side
    761,474.40x = 456,674,957,258.60
  5. Step 5: Solve for x
    x = 456,674,957,258.60/761,474.40
  6. Step 6: Final answer
    x = 599,724.64

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Double scale
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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.