Home / 774,630.83-1,068,962.10-430,488.15

Finding the Fourth Proportional to 774,630.83, 1,068,962.10 and 430,488.15

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Solution

The fourth proportional to 774,630.83, 1,068,962.10 and 430,488.15 is: 594,057.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,630.83 : 1,068,962.10 = 430,488.15 : x
  2. Step 2: Convert to fraction form
    774,630.83/1,068,962.10 = 430,488.15/x
  3. Step 3: Cross multiply
    774,630.83x = 1,068,962.10 × 430,488.15
  4. Step 4: Simplify right side
    774,630.83x = 460,175,516,849.12
  5. Step 5: Solve for x
    x = 460,175,516,849.12/774,630.83
  6. Step 6: Final answer
    x = 594,057.84

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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.