Home / 913,718.10-1,370,663.55-248,870.10

Finding the Fourth Proportional to 913,718.10, 1,370,663.55 and 248,870.10

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Solution

The fourth proportional to 913,718.10, 1,370,663.55 and 248,870.10 is: 373,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,718.10 : 1,370,663.55 = 248,870.10 : x
  2. Step 2: Convert to fraction form
    913,718.10/1,370,663.55 = 248,870.10/x
  3. Step 3: Cross multiply
    913,718.10x = 1,370,663.55 × 248,870.10
  4. Step 4: Simplify right side
    913,718.10x = 341,117,174,754.86
  5. Step 5: Solve for x
    x = 341,117,174,754.86/913,718.10
  6. Step 6: Final answer
    x = 373,328.68

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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.