Home / 774,730.60-1,069,127.17-430,555.73

Finding the Fourth Proportional to 774,730.60, 1,069,127.17 and 430,555.73

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Solution

The fourth proportional to 774,730.60, 1,069,127.17 and 430,555.73 is: 594,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,730.60 : 1,069,127.17 = 430,555.73 : x
  2. Step 2: Convert to fraction form
    774,730.60/1,069,127.17 = 430,555.73/x
  3. Step 3: Cross multiply
    774,730.60x = 1,069,127.17 × 430,555.73
  4. Step 4: Simplify right side
    774,730.60x = 460,318,822,720.16
  5. Step 5: Solve for x
    x = 460,318,822,720.16/774,730.60
  6. Step 6: Final answer
    x = 594,166.31

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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.