Home / 877,130.73-1,210,440.06-474,722.73

Finding the Fourth Proportional to 877,130.73, 1,210,440.06 and 474,722.73

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Solution

The fourth proportional to 877,130.73, 1,210,440.06 and 474,722.73 is: 655,117.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,130.73 : 1,210,440.06 = 474,722.73 : x
  2. Step 2: Convert to fraction form
    877,130.73/1,210,440.06 = 474,722.73/x
  3. Step 3: Cross multiply
    877,130.73x = 1,210,440.06 × 474,722.73
  4. Step 4: Simplify right side
    877,130.73x = 574,623,409,784.56
  5. Step 5: Solve for x
    x = 574,623,409,784.56/877,130.73
  6. Step 6: Final answer
    x = 655,117.18

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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.