Home / 740,159.81-1,109,345.06-360,511.67

Finding the Fourth Proportional to 740,159.81, 1,109,345.06 and 360,511.67

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Solution

The fourth proportional to 740,159.81, 1,109,345.06 and 360,511.67 is: 540,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,159.81 : 1,109,345.06 = 360,511.67 : x
  2. Step 2: Convert to fraction form
    740,159.81/1,109,345.06 = 360,511.67/x
  3. Step 3: Cross multiply
    740,159.81x = 1,109,345.06 × 360,511.67
  4. Step 4: Simplify right side
    740,159.81x = 399,931,832,837.57
  5. Step 5: Solve for x
    x = 399,931,832,837.57/740,159.81
  6. Step 6: Final answer
    x = 540,331.74

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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.