Home / 876,328.32-1,209,336.73-473,920.32

Finding the Fourth Proportional to 876,328.32, 1,209,336.73 and 473,920.32

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Solution

The fourth proportional to 876,328.32, 1,209,336.73 and 473,920.32 is: 654,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,328.32 : 1,209,336.73 = 473,920.32 : x
  2. Step 2: Convert to fraction form
    876,328.32/1,209,336.73 = 473,920.32/x
  3. Step 3: Cross multiply
    876,328.32x = 1,209,336.73 × 473,920.32
  4. Step 4: Simplify right side
    876,328.32x = 573,129,250,069.35
  5. Step 5: Solve for x
    x = 573,129,250,069.35/876,328.32
  6. Step 6: Final answer
    x = 654,012.01

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Double scale
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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.