Home / 910,749.63-1,366,190.06-349,784.13

Finding the Fourth Proportional to 910,749.63, 1,366,190.06 and 349,784.13

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Solution

The fourth proportional to 910,749.63, 1,366,190.06 and 349,784.13 is: 524,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,749.63 : 1,366,190.06 = 349,784.13 : x
  2. Step 2: Convert to fraction form
    910,749.63/1,366,190.06 = 349,784.13/x
  3. Step 3: Cross multiply
    910,749.63x = 1,366,190.06 × 349,784.13
  4. Step 4: Simplify right side
    910,749.63x = 477,871,601,551.75
  5. Step 5: Solve for x
    x = 477,871,601,551.75/910,749.63
  6. Step 6: Final answer
    x = 524,701.40

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Double scale
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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.