Home / 931,521.60-1,397,282.40-370,556.10

Finding the Fourth Proportional to 931,521.60, 1,397,282.40 and 370,556.10

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Solution

The fourth proportional to 931,521.60, 1,397,282.40 and 370,556.10 is: 555,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,521.60 : 1,397,282.40 = 370,556.10 : x
  2. Step 2: Convert to fraction form
    931,521.60/1,397,282.40 = 370,556.10/x
  3. Step 3: Cross multiply
    931,521.60x = 1,397,282.40 × 370,556.10
  4. Step 4: Simplify right side
    931,521.60x = 517,771,516,742.64
  5. Step 5: Solve for x
    x = 517,771,516,742.64/931,521.60
  6. Step 6: Final answer
    x = 555,834.15

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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.