Home / 877,317.89-1,210,698.90-474,909.89

Finding the Fourth Proportional to 877,317.89, 1,210,698.90 and 474,909.89

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Solution

The fourth proportional to 877,317.89, 1,210,698.90 and 474,909.89 is: 655,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,317.89 : 1,210,698.90 = 474,909.89 : x
  2. Step 2: Convert to fraction form
    877,317.89/1,210,698.90 = 474,909.89/x
  3. Step 3: Cross multiply
    877,317.89x = 1,210,698.90 × 474,909.89
  4. Step 4: Simplify right side
    877,317.89x = 574,972,875,368.63
  5. Step 5: Solve for x
    x = 574,972,875,368.63/877,317.89
  6. Step 6: Final answer
    x = 655,375.76

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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.