Home / 855,319.98-1,180,378.65-473,346.90

Finding the Fourth Proportional to 855,319.98, 1,180,378.65 and 473,346.90

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Solution

The fourth proportional to 855,319.98, 1,180,378.65 and 473,346.90 is: 653,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,319.98 : 1,180,378.65 = 473,346.90 : x
  2. Step 2: Convert to fraction form
    855,319.98/1,180,378.65 = 473,346.90/x
  3. Step 3: Cross multiply
    855,319.98x = 1,180,378.65 × 473,346.90
  4. Step 4: Simplify right side
    855,319.98x = 558,728,574,803.69
  5. Step 5: Solve for x
    x = 558,728,574,803.69/855,319.98
  6. Step 6: Final answer
    x = 653,239.24

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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.