Home / 500,030.17-690,036.28-270,582.42

Finding the Fourth Proportional to 500,030.17, 690,036.28 and 270,582.42

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Solution

The fourth proportional to 500,030.17, 690,036.28 and 270,582.42 is: 373,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,030.17 : 690,036.28 = 270,582.42 : x
  2. Step 2: Convert to fraction form
    500,030.17/690,036.28 = 270,582.42/x
  3. Step 3: Cross multiply
    500,030.17x = 690,036.28 × 270,582.42
  4. Step 4: Simplify right side
    500,030.17x = 186,711,686,530.20
  5. Step 5: Solve for x
    x = 186,711,686,530.20/500,030.17
  6. Step 6: Final answer
    x = 373,400.84

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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.