Home / 788,652.32-1,088,340.71-426,075.98

Finding the Fourth Proportional to 788,652.32, 1,088,340.71 and 426,075.98

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Solution

The fourth proportional to 788,652.32, 1,088,340.71 and 426,075.98 is: 587,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,652.32 : 1,088,340.71 = 426,075.98 : x
  2. Step 2: Convert to fraction form
    788,652.32/1,088,340.71 = 426,075.98/x
  3. Step 3: Cross multiply
    788,652.32x = 1,088,340.71 × 426,075.98
  4. Step 4: Simplify right side
    788,652.32x = 463,715,827,015.06
  5. Step 5: Solve for x
    x = 463,715,827,015.06/788,652.32
  6. Step 6: Final answer
    x = 587,985.12

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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.