Home / 947,202.12-1,421,701.41-586,281.21

Finding the Fourth Proportional to 947,202.12, 1,421,701.41 and 586,281.21

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Solution

The fourth proportional to 947,202.12, 1,421,701.41 and 586,281.21 is: 879,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,202.12 : 1,421,701.41 = 586,281.21 : x
  2. Step 2: Convert to fraction form
    947,202.12/1,421,701.41 = 586,281.21/x
  3. Step 3: Cross multiply
    947,202.12x = 1,421,701.41 × 586,281.21
  4. Step 4: Simplify right side
    947,202.12x = 833,516,822,913.51
  5. Step 5: Solve for x
    x = 833,516,822,913.51/947,202.12
  6. Step 6: Final answer
    x = 879,977.78

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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.