Home / 989,185.02-1,483,002.37-390,594.23

Finding the Fourth Proportional to 989,185.02, 1,483,002.37 and 390,594.23

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Solution

The fourth proportional to 989,185.02, 1,483,002.37 and 390,594.23 is: 585,585.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,185.02 : 1,483,002.37 = 390,594.23 : x
  2. Step 2: Convert to fraction form
    989,185.02/1,483,002.37 = 390,594.23/x
  3. Step 3: Cross multiply
    989,185.02x = 1,483,002.37 × 390,594.23
  4. Step 4: Simplify right side
    989,185.02x = 579,252,168,798.33
  5. Step 5: Solve for x
    x = 579,252,168,798.33/989,185.02
  6. Step 6: Final answer
    x = 585,585.26

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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.