Home / 877,158.40-1,210,478.48-474,750.40

Finding the Fourth Proportional to 877,158.40, 1,210,478.48 and 474,750.40

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Solution

The fourth proportional to 877,158.40, 1,210,478.48 and 474,750.40 is: 655,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,158.40 : 1,210,478.48 = 474,750.40 : x
  2. Step 2: Convert to fraction form
    877,158.40/1,210,478.48 = 474,750.40/x
  3. Step 3: Cross multiply
    877,158.40x = 1,210,478.48 × 474,750.40
  4. Step 4: Simplify right side
    877,158.40x = 574,675,142,571.39
  5. Step 5: Solve for x
    x = 574,675,142,571.39/877,158.40
  6. Step 6: Final answer
    x = 655,155.49

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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.