Home / 777,423.67-1,072,210.28-652,763.45

Finding the Fourth Proportional to 777,423.67, 1,072,210.28 and 652,763.45

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Solution

The fourth proportional to 777,423.67, 1,072,210.28 and 652,763.45 is: 900,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,423.67 : 1,072,210.28 = 652,763.45 : x
  2. Step 2: Convert to fraction form
    777,423.67/1,072,210.28 = 652,763.45/x
  3. Step 3: Cross multiply
    777,423.67x = 1,072,210.28 × 652,763.45
  4. Step 4: Simplify right side
    777,423.67x = 699,899,685,810.70
  5. Step 5: Solve for x
    x = 699,899,685,810.70/777,423.67
  6. Step 6: Final answer
    x = 900,280.91

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1.5x scale

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.