Home / 913,303.40-1,369,955.10-493,399.40

Finding the Fourth Proportional to 913,303.40, 1,369,955.10 and 493,399.40

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Solution

The fourth proportional to 913,303.40, 1,369,955.10 and 493,399.40 is: 740,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,303.40 : 1,369,955.10 = 493,399.40 : x
  2. Step 2: Convert to fraction form
    913,303.40/1,369,955.10 = 493,399.40/x
  3. Step 3: Cross multiply
    913,303.40x = 1,369,955.10 × 493,399.40
  4. Step 4: Simplify right side
    913,303.40x = 675,935,024,366.94
  5. Step 5: Solve for x
    x = 675,935,024,366.94/913,303.40
  6. Step 6: Final answer
    x = 740,099.10

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Double scale
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Similar ratio
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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.