Home / 877,259.66-1,210,810.29-555,398.90

Finding the Fourth Proportional to 877,259.66, 1,210,810.29 and 555,398.90

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Solution

The fourth proportional to 877,259.66, 1,210,810.29 and 555,398.90 is: 766,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,259.66 : 1,210,810.29 = 555,398.90 : x
  2. Step 2: Convert to fraction form
    877,259.66/1,210,810.29 = 555,398.90/x
  3. Step 3: Cross multiply
    877,259.66x = 1,210,810.29 × 555,398.90
  4. Step 4: Simplify right side
    877,259.66x = 672,482,703,174.68
  5. Step 5: Solve for x
    x = 672,482,703,174.68/877,259.66
  6. Step 6: Final answer
    x = 766,572.01

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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.