Home / 657,348.20-983,948.70-470,724.20

Finding the Fourth Proportional to 657,348.20, 983,948.70 and 470,724.20

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Solution

The fourth proportional to 657,348.20, 983,948.70 and 470,724.20 is: 704,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,348.20 : 983,948.70 = 470,724.20 : x
  2. Step 2: Convert to fraction form
    657,348.20/983,948.70 = 470,724.20/x
  3. Step 3: Cross multiply
    657,348.20x = 983,948.70 × 470,724.20
  4. Step 4: Simplify right side
    657,348.20x = 463,168,464,648.54
  5. Step 5: Solve for x
    x = 463,168,464,648.54/657,348.20
  6. Step 6: Final answer
    x = 704,601.40

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Double scale
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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.