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Finding the Fourth Proportional to 615,189.93, 849,020.72 and 373,417.08

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Solution

The fourth proportional to 615,189.93, 849,020.72 and 373,417.08 is: 515,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,189.93 : 849,020.72 = 373,417.08 : x
  2. Step 2: Convert to fraction form
    615,189.93/849,020.72 = 373,417.08/x
  3. Step 3: Cross multiply
    615,189.93x = 849,020.72 × 373,417.08
  4. Step 4: Simplify right side
    615,189.93x = 317,038,836,254.81
  5. Step 5: Solve for x
    x = 317,038,836,254.81/615,189.93
  6. Step 6: Final answer
    x = 515,351.15

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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.