Home / 761,474.01-1,050,700.91-434,637.80

Finding the Fourth Proportional to 761,474.01, 1,050,700.91 and 434,637.80

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Solution

The fourth proportional to 761,474.01, 1,050,700.91 and 434,637.80 is: 599,724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,474.01 : 1,050,700.91 = 434,637.80 : x
  2. Step 2: Convert to fraction form
    761,474.01/1,050,700.91 = 434,637.80/x
  3. Step 3: Cross multiply
    761,474.01x = 1,050,700.91 × 434,637.80
  4. Step 4: Simplify right side
    761,474.01x = 456,674,331,980.40
  5. Step 5: Solve for x
    x = 456,674,331,980.40/761,474.01
  6. Step 6: Final answer
    x = 599,724.12

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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.