Home / 646,981.16-892,834.02-375,206.67

Finding the Fourth Proportional to 646,981.16, 892,834.02 and 375,206.67

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Solution

The fourth proportional to 646,981.16, 892,834.02 and 375,206.67 is: 517,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,981.16 : 892,834.02 = 375,206.67 : x
  2. Step 2: Convert to fraction form
    646,981.16/892,834.02 = 375,206.67/x
  3. Step 3: Cross multiply
    646,981.16x = 892,834.02 × 375,206.67
  4. Step 4: Simplify right side
    646,981.16x = 334,997,279,506.91
  5. Step 5: Solve for x
    x = 334,997,279,506.91/646,981.16
  6. Step 6: Final answer
    x = 517,785.22

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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.