Home / 877,065.47-1,210,350.35-474,657.47

Finding the Fourth Proportional to 877,065.47, 1,210,350.35 and 474,657.47

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Solution

The fourth proportional to 877,065.47, 1,210,350.35 and 474,657.47 is: 655,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,065.47 : 1,210,350.35 = 474,657.47 : x
  2. Step 2: Convert to fraction form
    877,065.47/1,210,350.35 = 474,657.47/x
  3. Step 3: Cross multiply
    877,065.47x = 1,210,350.35 × 474,657.47
  4. Step 4: Simplify right side
    877,065.47x = 574,501,831,948.37
  5. Step 5: Solve for x
    x = 574,501,831,948.37/877,065.47
  6. Step 6: Final answer
    x = 655,027.31

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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.