Home / 740,547.42-1,021,955.19-401,015.58

Finding the Fourth Proportional to 740,547.42, 1,021,955.19 and 401,015.58

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Solution

The fourth proportional to 740,547.42, 1,021,955.19 and 401,015.58 is: 553,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,547.42 : 1,021,955.19 = 401,015.58 : x
  2. Step 2: Convert to fraction form
    740,547.42/1,021,955.19 = 401,015.58/x
  3. Step 3: Cross multiply
    740,547.42x = 1,021,955.19 × 401,015.58
  4. Step 4: Simplify right side
    740,547.42x = 409,819,953,251.86
  5. Step 5: Solve for x
    x = 409,819,953,251.86/740,547.42
  6. Step 6: Final answer
    x = 553,401.37

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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.