Home / 772,041.74-1,065,460.08-427,870.50

Finding the Fourth Proportional to 772,041.74, 1,065,460.08 and 427,870.50

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Solution

The fourth proportional to 772,041.74, 1,065,460.08 and 427,870.50 is: 590,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,041.74 : 1,065,460.08 = 427,870.50 : x
  2. Step 2: Convert to fraction form
    772,041.74/1,065,460.08 = 427,870.50/x
  3. Step 3: Cross multiply
    772,041.74x = 1,065,460.08 × 427,870.50
  4. Step 4: Simplify right side
    772,041.74x = 455,878,937,159.64
  5. Step 5: Solve for x
    x = 455,878,937,159.64/772,041.74
  6. Step 6: Final answer
    x = 590,484.84

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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.